import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;
import x30_pkg.x30_util;
import static x30_pkg.x30_util.VF1;
import static x30_pkg.x30_util.l;
import static x30_pkg.x30_util.fail;
import static x30_pkg.x30_util.indexOf;
import static x30_pkg.x30_util.getOpt;
import static x30_pkg.x30_util.setOpt;
import static x30_pkg.x30_util.callOpt;
import static x30_pkg.x30_util.newWeakHashMap;
import static x30_pkg.x30_util.newDangerousWeakHashMap;
import static x30_pkg.x30_util.get;
import static x30_pkg.x30_util.get_raw;
import static x30_pkg.x30_util.assertTrue;
import static x30_pkg.x30_util.isHeadless;
import static x30_pkg.x30_util.isAndroid;
import static x30_pkg.x30_util.isTrue;
import static x30_pkg.x30_util.asList;
import x30_pkg.x30_util.DynamicObject;
import loadableUtils.utils;
import static loadableUtils.utils._threadInfo;
import static loadableUtils.utils._threadInheritInfo;
import static loadableUtils.utils._threadInfo_addMakerAndRetriever;
import static loadableUtils.utils.dm_currentModule;
import static loadableUtils.utils.dm_current_mandatory;
import static loadableUtils.utils.match;
import static loadableUtils.utils.getOpt_raw;
import static loadableUtils.utils.setOpt_raw;
import static loadableUtils.utils.getField;
import static loadableUtils.utils.fieldType;
import static loadableUtils.utils.format3;
import static loadableUtils.utils.vm_generalIdentityHashSet;
import static loadableUtils.utils.vm_generalHashMap;
import static loadableUtils.utils.vm_generalWeakSubMap;
import static loadableUtils.utils.bindToComponent;
import static loadableUtils.utils.struct;
import static loadableUtils.utils.structure;
import static loadableUtils.utils.loadPage;
import static loadableUtils.utils.loadPage_utf8;
import static loadableUtils.utils.loadPageSilentlyWithTimeout;
import static loadableUtils.utils.loadPageSilently;
import static loadableUtils.utils.loadSnippet;
import static loadableUtils.utils.loadSnippetQuietly;
import static loadableUtils.utils.sendToLocalBot;
import static loadableUtils.utils.componentPopupMenu;
import static loadableUtils.utils.componentPopupMenu_top;
import static loadableUtils.utils.componentPopupMenu_initForComponent;
import static loadableUtils.utils.componentPopupMenu_getEvent;
import static loadableUtils.utils.listPopupMenu;
import static loadableUtils.utils.tablePopupMenu;
import static loadableUtils.utils.rowSorter_setComparators;
import static loadableUtils.utils.sexyTableWithoutDrag;
import static loadableUtils.utils.dm_current_generic;
import static loadableUtils.utils.dm_current_mandatory_generic;
import static loadableUtils.utils.cset;
import static loadableUtils.utils.DynamicObject_loading;
import static loadableUtils.utils.concepts_unlisted;
import static loadableUtils.utils.makePopupMenuConditional;
import static loadableUtils.utils.makeConceptsTable_idWidth;
import static loadableUtils.utils.showConceptsTable_afterUpdate;
import static loadableUtils.utils.dynamicObjectIsLoading;
import loadableUtils.utils.F0;
import loadableUtils.utils.F1;
import loadableUtils.utils.IF1;
import loadableUtils.utils.Matches;
import loadableUtils.utils.BetterLabel;
import loadableUtils.utils.SingleComponentPanel;
import loadableUtils.utils.Snippet;
import loadableUtils.utils.Q;
import loadableUtils.utils.ImageSurface;
import loadableUtils.utils.structure_Data;
import loadableUtils.utils.RGBImage;
import loadableUtils.utils.RGB;
import loadableUtils.utils.BWImage;
import loadableUtils.utils.MakesBufferedImage;
import loadableUtils.utils.MultiSet;
import loadableUtils.utils.Concept;
import loadableUtils.utils.Concepts;
import loadableUtils.utils.IConceptIndex;
import loadableUtils.utils.IFieldIndex;
import loadableUtils.utils.Derefable;
import loadableUtils.utils.ImageSurfaceSelector;
import loadableUtils.utils.SimpleCRUD;
import loadableUtils.utils.PersistableThrowable;
import loadableUtils.utils.DynModule;
import loadableUtils.utils.DynPrintLog;
import loadableUtils.utils.DynObjectTable;
import loadableUtils.utils.DynImageSurface;
import loadableUtils.utils.DynCalculatedList;
import loadableUtils.utils.Rect;
import loadableUtils.utils.Pt;
import javax.swing.border.*;
import java.text.NumberFormat;
import javax.net.ssl.*;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import javax.swing.event.AncestorListener;
import javax.swing.event.AncestorEvent;
import javax.swing.Timer;
import java.text.SimpleDateFormat;
import java.awt.geom.*;

class main {

  public static class TestAutoRecognizer extends ChessOCR_DynTestPieceRecognizers {

    public void start() {
      super.start();
      onRecognition = new VF3<ChessPieceRecognizer, TestImage, Pair<String, Double>>() {

        public void get(ChessPieceRecognizer rec, TestImage img, Pair<String, Double> out) {
          try {
            print("runnerUp", pairMapB(e -> rec.errorToPercent(e), rec.runnerUp));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "print(\"runnerUp\", pairMapB(e -> rec.errorToPercent(e), rec.runnerUp));";
        }
      };
    }
  }

  public static boolean _moduleClass_TestAutoRecognizer = false;

  public static Object callF(Object f, Object... args) {
    try {
      if (f instanceof String)
        return callMC((String) f, args);
      return x30_util.callF(f, args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A callF(F0<A> f) {
    return f == null ? null : f.get();
  }

  public static <A> A callF(IF0<A> f) {
    return f == null ? null : f.get();
  }

  public static <A, B> B callF(F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  public static <A, B> B callF(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  public static <A> void callF(VF1<A> f, A a) {
    if (f != null)
      f.get(a);
  }

  public static Object callMC(String method, Object... args) {
    return call(mc(), method, args);
  }

  public static Object call(Object o) {
    return callF(o);
  }

  public static Object call(Object o, String method, Object... args) {
    return call_withVarargs(o, method, args);
  }

  public static void _onLoad_initUtils() {
    utils.__javax = javax();
  }

  public static void _onLoad_defaultClassFinder() {
    setDefaultClassFinder(new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "main$"))
            return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + substring(name, 4));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    });
  }

  public static String programID() {
    return getProgramID();
  }

  public static String programID(Object o) {
    return getProgramID(o);
  }

  public static volatile StringBuffer local_log = new StringBuffer();

  public static volatile Appendable print_log = local_log;

  public static volatile int print_log_max = 1024 * 1024;

  public static volatile int local_log_max = 100 * 1024;

  public static boolean print_silent = false;

  public static Object print_byThread_lock = new Object();

  public static volatile ThreadLocal<Object> print_byThread;

  public static volatile Object print_allThreads;

  public static volatile Object print_preprocess;

  public static void print() {
    print("");
  }

  public static <A> A print(String s, A o) {
    print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
    return o;
  }

  public static <A> A print(A o) {
    ping_okInCleanUp();
    if (print_silent)
      return o;
    String s = String.valueOf(o) + "\n";
    print_noNewLine(s);
    return o;
  }

  public static void print_noNewLine(String s) {
    Object f = getThreadLocal(print_byThread_dontCreate());
    if (f == null)
      f = print_allThreads;
    if (f != null)
      if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s)))
        return;
    print_raw(s);
  }

  public static void print_raw(String s) {
    if (print_preprocess != null)
      s = (String) callF(print_preprocess, s);
    s = fixNewLines(s);
    Appendable loc = local_log;
    Appendable buf = print_log;
    int loc_max = print_log_max;
    if (buf != loc && buf != null) {
      print_append(buf, s, print_log_max);
      loc_max = local_log_max;
    }
    if (loc != null)
      print_append(loc, s, loc_max);
    System.out.print(s);
  }

  public static void print_autoRotate() {
  }

  public static AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
    return print_byThread().get() == null ? tempInterceptPrint(f) : null;
  }

  public static Pair pairMapB(Object f, Pair p) {
    return p == null ? null : pair(p.a, callF(f, p.b));
  }

  public static <A, B, C> Pair<A, C> pairMapB(IF1<B, C> f, Pair<A, B> p) {
    return p == null ? null : pair(p.a, callF(f, p.b));
  }

  public static Pair pairMapB(Pair p, Object f) {
    return pairMap(f, p);
  }

  public static RuntimeException rethrow(Throwable t) {
    if (t instanceof Error)
      _handleError((Error) t);
    throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
  }

  public static RuntimeException rethrow(String msg, Throwable t) {
    throw new RuntimeException(msg, t);
  }

  public static Class mc() {
    return main.class;
  }

  public static Object call_withVarargs(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findStaticMethod(method, args);
        if (me != null)
          return invokeMethod(me, null, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            {
              if (!(isStaticMethod(m)))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, null, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(method, args);
        if (me != null)
          return invokeMethod(me, o, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, o, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found in " + c);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Class javax() {
    return getJavaX();
  }

  public static void setDefaultClassFinder(Object cf) {
    _defaultClassFinder_value = cf;
  }

  public static HashMap<String, Class> findClass_fullName_cache = new HashMap();

  public static Class findClass_fullName(String name) {
    synchronized (findClass_fullName_cache) {
      if (findClass_fullName_cache.containsKey(name))
        return findClass_fullName_cache.get(name);
      Class c;
      try {
        c = Class.forName(name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_fullName_cache.put(name, c);
      return c;
    }
  }

  public static boolean startsWith(String a, String b) {
    return a != null && a.startsWith(b);
  }

  public static boolean startsWith(String a, char c) {
    return nemptyString(a) && a.charAt(0) == c;
  }

  public static boolean startsWith(String a, String b, Matches m) {
    if (!startsWith(a, b))
      return false;
    m.m = new String[] { substring(a, strL(b)) };
    return true;
  }

  public static boolean startsWith(List a, List b) {
    if (a == null || listL(b) > listL(a))
      return false;
    for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i)))
      return false;
    return true;
  }

  public static String substring(String s, int x) {
    return substring(s, x, strL(s));
  }

  public static String substring(String s, int x, int y) {
    if (s == null)
      return null;
    if (x < 0)
      x = 0;
    if (x >= s.length())
      return "";
    if (y < x)
      y = x;
    if (y > s.length())
      y = s.length();
    return s.substring(x, y);
  }

  public static Object _defaultClassFinder_value = defaultDefaultClassFinder();

  public static Object _defaultClassFinder() {
    return _defaultClassFinder_value;
  }

  public static String programID;

  public static String getProgramID() {
    return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
  }

  public static String getProgramID(Class c) {
    String id = (String) getOpt(c, "programID");
    if (nempty(id))
      return formatSnippetID(id);
    return "?";
  }

  public static String getProgramID(Object o) {
    return getProgramID(getMainClass(o));
  }

  public static boolean endsWithLetterOrDigit(String s) {
    return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1));
  }

  public static void ping_okInCleanUp() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
  }

  public static Object getThreadLocal(Object o, String name) {
    ThreadLocal t = (ThreadLocal) (getOpt(o, name));
    return t != null ? t.get() : null;
  }

  public static <A> A getThreadLocal(ThreadLocal<A> tl) {
    return tl == null ? null : tl.get();
  }

  public static <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
    return or(getThreadLocal(tl), defaultValue);
  }

  public static ThreadLocal<Object> print_byThread_dontCreate() {
    return print_byThread;
  }

  public static boolean isFalse(Object o) {
    return eq(false, o);
  }

  public static String fixNewLines(String s) {
    int i = indexOf(s, '\r');
    if (i < 0)
      return s;
    int l = s.length();
    StringBuilder out = new StringBuilder(l);
    out.append(s, 0, i);
    for (; i < l; i++) {
      char c = s.charAt(i);
      if (c != '\r')
        out.append(c);
      else {
        out.append('\n');
        if (i + 1 < l && s.charAt(i + 1) == '\n')
          ++i;
      }
    }
    return out.toString();
  }

  public static void print_append(Appendable buf, String s, int max) {
    try {
      synchronized (buf) {
        buf.append(s);
        if (buf instanceof StringBuffer)
          rotateStringBuffer(((StringBuffer) buf), max);
        else if (buf instanceof StringBuilder)
          rotateStringBuilder(((StringBuilder) buf), max);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ThreadLocal<Object> print_byThread() {
    synchronized (print_byThread_lock) {
      if (print_byThread == null)
        print_byThread = new ThreadLocal();
    }
    return print_byThread;
  }

  public static AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
    return tempSetThreadLocal(print_byThread(), f);
  }

  public static <A, B> Pair<A, B> pair(A a, B b) {
    return new Pair(a, b);
  }

  public static <A> Pair<A, A> pair(A a) {
    return new Pair(a, a);
  }

  public static Pair pairMap(Object f, Pair p) {
    return p == null ? null : pair(callF(f, p.a), callF(f, p.b));
  }

  public static <A> Pair<A, A> pairMap(IF1<A, A> f, Pair<A, A> p) {
    return p == null ? null : pair(callF(f, p.a), callF(f, p.b));
  }

  public static Pair pairMap(Pair p, Object f) {
    return pairMap(f, p);
  }

  public static void _handleError(Error e) {
    call(javax(), "_handleError", e);
  }

  public static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

  public static Object callOpt_cached(Object o, String methodName, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null || (me.getModifiers() & Modifier.STATIC) == 0)
          return null;
        return invokeMethod(me, null, args);
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null)
          return null;
        return invokeMethod(me, o, args);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static _MethodCache callOpt_getCache(Class c) {
    synchronized (callOpt_cache) {
      _MethodCache cache = callOpt_cache.get(c);
      if (cache == null)
        callOpt_cache.put(c, cache = new _MethodCache(c));
      return cache;
    }
  }

  public static Object invokeMethod(Method m, Object o, Object... args) {
    try {
      try {
        return m.invoke(o, args);
      } catch (InvocationTargetException e) {
        throw rethrow(getExceptionCause(e));
      } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isStaticMethod(Method m) {
    return methodIsStatic(m);
  }

  public static Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    int n = types.length - 1, nArgs = args.length;
    if (nArgs < n)
      return null;
    for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i]))
      return null;
    Class varArgType = types[n].getComponentType();
    for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType))
      return null;
    Object[] newArgs = new Object[n + 1];
    arraycopy(args, 0, newArgs, 0, n);
    Object[] varArgs = arrayOfType(varArgType, nArgs - n);
    arraycopy(args, n, varArgs, 0, nArgs - n);
    newArgs[n] = varArgs;
    return newArgs;
  }

  public static <A> String joinWithComma(Collection<A> c) {
    return join(", ", c);
  }

  public static String joinWithComma(String... c) {
    return join(", ", c);
  }

  public static String joinWithComma(Pair p) {
    return p == null ? "" : joinWithComma(str(p.a), str(p.b));
  }

  public static List<String> classNames(Collection l) {
    return getClassNames(l);
  }

  public static List<String> classNames(Object[] l) {
    return getClassNames(Arrays.asList(l));
  }

  public static Class __javax;

  public static Class getJavaX() {
    try {
      return __javax;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean nemptyString(String s) {
    return s != null && s.length() > 0;
  }

  public static int strL(String s) {
    return s == null ? 0 : s.length();
  }

  public static int listL(Collection l) {
    return l == null ? 0 : l.size();
  }

  public static boolean neq(Object a, Object b) {
    return !eq(a, b);
  }

  public static Object defaultDefaultClassFinder() {
    return new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "loadableUtils.utils$"))
            return findClass_fullName("main" + substring(name, 19));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    };
  }

  public static boolean nempty(Collection c) {
    return !empty(c);
  }

  public static boolean nempty(CharSequence s) {
    return !empty(s);
  }

  public static boolean nempty(Object[] o) {
    return !empty(o);
  }

  public static boolean nempty(byte[] o) {
    return !empty(o);
  }

  public static boolean nempty(int[] o) {
    return !empty(o);
  }

  public static boolean nempty(Map m) {
    return !empty(m);
  }

  public static boolean nempty(Iterator i) {
    return i != null && i.hasNext();
  }

  public static boolean nempty(Object o) {
    return !empty(o);
  }

  public static String formatSnippetIDOpt(String s) {
    return isSnippetID(s) ? formatSnippetID(s) : s;
  }

  public static String formatSnippetID(String id) {
    return "#" + parseSnippetID(id);
  }

  public static String formatSnippetID(long id) {
    return "#" + id;
  }

  public static Class getMainClass() {
    return mc();
  }

  public static Class getMainClass(Object o) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class && eq(((Class) o).getName(), "x30"))
        return (Class) o;
      return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static volatile boolean ping_pauseAll = false;

  public static int ping_sleep = 100;

  public static volatile boolean ping_anyActions = false;

  public static Map<Thread, Object> ping_actions = newWeakHashMap();

  public static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();

  public static boolean ping() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
    return true;
  }

  public static boolean ping_impl(boolean okInCleanUp) {
    try {
      if (ping_pauseAll && !isAWTThread()) {
        do Thread.sleep(ping_sleep); while (ping_pauseAll);
        return true;
      }
      if (ping_anyActions) {
        if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
          failIfUnlicensed();
        Object action = null;
        synchronized (ping_actions) {
          if (!ping_actions.isEmpty()) {
            action = ping_actions.get(currentThread());
            if (action instanceof Runnable)
              ping_actions.remove(currentThread());
            if (ping_actions.isEmpty())
              ping_anyActions = false;
          }
        }
        if (action instanceof Runnable)
          ((Runnable) action).run();
        else if (eq(action, "cancelled"))
          throw fail("Thread cancelled.");
      }
      return false;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A or(A a, A b) {
    return a != null ? a : b;
  }

  public static boolean eq(Object a, Object b) {
    return a == b || (a == null ? b == null : b != null && a.equals(b));
  }

  public static void rotateStringBuffer(StringBuffer buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void rotateStringBuilder(StringBuilder buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
    if (tl == null)
      return null;
    final A prev = setThreadLocal(tl, a);
    return new AutoCloseable() {

      public String toString() {
        return "tl.set(prev);";
      }

      public void close() throws Exception {
        tl.set(prev);
      }
    };
  }

  public static Throwable getExceptionCause(Throwable e) {
    Throwable c = e.getCause();
    return c != null ? c : e;
  }

  public static String joinWithSpace(Collection<String> c) {
    return join(" ", c);
  }

  public static String joinWithSpace(String... c) {
    return join(" ", c);
  }

  public static boolean methodIsStatic(Method m) {
    return (m.getModifiers() & Modifier.STATIC) != 0;
  }

  public static boolean argumentCompatibleWithType(Object arg, Class type) {
    return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
  }

  public static void arraycopy(Object[] a, Object[] b) {
    if (a != null && b != null)
      arraycopy(a, 0, b, 0, min(a.length, b.length));
  }

  public static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
    if (n != 0)
      System.arraycopy(src, srcPos, dest, destPos, n);
  }

  public static <A> A[] arrayOfType(Class<A> type, int n) {
    return makeArray(type, n);
  }

  public static <A> A[] arrayOfType(int n, Class<A> type) {
    return arrayOfType(type, n);
  }

  public static <A> String join(String glue, Iterable<A> strings) {
    if (strings == null)
      return "";
    if (strings instanceof Collection) {
      if (((Collection) strings).size() == 1)
        return str(first(((Collection) strings)));
    }
    StringBuilder buf = new StringBuilder();
    Iterator<A> i = strings.iterator();
    if (i.hasNext()) {
      buf.append(i.next());
      while (i.hasNext()) buf.append(glue).append(i.next());
    }
    return buf.toString();
  }

  public static String join(String glue, String... strings) {
    return join(glue, Arrays.asList(strings));
  }

  public static <A> String join(Iterable<A> strings) {
    return join("", strings);
  }

  public static <A> String join(Iterable<A> strings, String glue) {
    return join(glue, strings);
  }

  public static String join(String[] strings) {
    return join("", strings);
  }

  public static String join(String glue, Pair p) {
    return p == null ? "" : str(p.a) + glue + str(p.b);
  }

  public static String str(Object o) {
    return o == null ? "null" : o.toString();
  }

  public static String str(char[] c) {
    return new String(c);
  }

  public static List<String> getClassNames(Collection l) {
    List<String> out = new ArrayList();
    if (l != null)
      for (Object o : l) out.add(o == null ? null : getClassName(o));
    return out;
  }

  public static boolean empty(Collection c) {
    return c == null || c.isEmpty();
  }

  public static boolean empty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  public static boolean empty(Map map) {
    return map == null || map.isEmpty();
  }

  public static boolean empty(Object[] o) {
    return o == null || o.length == 0;
  }

  public static boolean empty(Object o) {
    if (o instanceof Collection)
      return empty((Collection) o);
    if (o instanceof String)
      return empty((String) o);
    if (o instanceof Map)
      return empty((Map) o);
    if (o instanceof Object[])
      return empty((Object[]) o);
    if (o instanceof byte[])
      return empty((byte[]) o);
    if (o == null)
      return true;
    throw fail("unknown type for 'empty': " + getType(o));
  }

  public static boolean empty(Iterator i) {
    return i == null || !i.hasNext();
  }

  public static boolean empty(float[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(int[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(long[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(byte[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(short[] a) {
    return a == null || a.length == 0;
  }

  public static boolean empty(MultiSet ms) {
    return ms == null || ms.isEmpty();
  }

  public static boolean empty(File f) {
    return getFileSize(f) == 0;
  }

  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }

  public static long parseSnippetID(String snippetID) {
    long id = Long.parseLong(shortenSnippetID(snippetID));
    if (id == 0)
      throw fail("0 is not a snippet ID");
    return id;
  }

  public static boolean isAWTThread() {
    if (isAndroid())
      return false;
    if (isHeadless())
      return false;
    return isAWTThread_awt();
  }

  public static boolean isAWTThread_awt() {
    return SwingUtilities.isEventDispatchThread();
  }

  public static void failIfUnlicensed() {
    assertTrue("license off", licensed());
  }

  public static Thread currentThread() {
    return Thread.currentThread();
  }

  public static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
    if (tl == null)
      return null;
    A old = tl.get();
    tl.set(value);
    return old;
  }

  public static boolean isInstanceX(Class type, Object arg) {
    if (type == boolean.class)
      return arg instanceof Boolean;
    if (type == int.class)
      return arg instanceof Integer;
    if (type == long.class)
      return arg instanceof Long;
    if (type == float.class)
      return arg instanceof Float;
    if (type == short.class)
      return arg instanceof Short;
    if (type == char.class)
      return arg instanceof Character;
    if (type == byte.class)
      return arg instanceof Byte;
    if (type == double.class)
      return arg instanceof Double;
    return type.isInstance(arg);
  }

  public static int min(int a, int b) {
    return Math.min(a, b);
  }

  public static long min(long a, long b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b, float c) {
    return min(min(a, b), c);
  }

  public static double min(double a, double b) {
    return Math.min(a, b);
  }

  public static double min(double[] c) {
    double x = Double.MAX_VALUE;
    for (double d : c) x = Math.min(x, d);
    return x;
  }

  public static float min(float[] c) {
    float x = Float.MAX_VALUE;
    for (float d : c) x = Math.min(x, d);
    return x;
  }

  public static byte min(byte[] c) {
    byte x = 127;
    for (byte d : c) if (d < x)
      x = d;
    return x;
  }

  public static short min(short[] c) {
    short x = 0x7FFF;
    for (short d : c) if (d < x)
      x = d;
    return x;
  }

  public static int min(int[] c) {
    int x = Integer.MAX_VALUE;
    for (int d : c) if (d < x)
      x = d;
    return x;
  }

  public static <A> A[] makeArray(Class<A> type, int n) {
    return (A[]) Array.newInstance(type, n);
  }

  public static Object first(Object list) {
    return first((Iterable) list);
  }

  public static <A> A first(List<A> list) {
    return empty(list) ? null : list.get(0);
  }

  public static <A> A first(A[] bla) {
    return bla == null || bla.length == 0 ? null : bla[0];
  }

  public static <A> A first(IterableIterator<A> i) {
    return first((Iterator<A>) i);
  }

  public static <A> A first(Iterator<A> i) {
    return i == null || !i.hasNext() ? null : i.next();
  }

  public static <A> A first(Iterable<A> i) {
    if (i == null)
      return null;
    Iterator<A> it = i.iterator();
    return it.hasNext() ? it.next() : null;
  }

  public static Character first(String s) {
    return empty(s) ? null : s.charAt(0);
  }

  public static <A, B> A first(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static String getClassName(Object o) {
    return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
  }

  public static String getType(Object o) {
    return getClassName(o);
  }

  public static long getFileSize(String path) {
    return path == null ? 0 : new File(path).length();
  }

  public static long getFileSize(File f) {
    return f == null ? 0 : f.length();
  }

  public static String shortenSnippetID(String snippetID) {
    if (snippetID.startsWith("#"))
      snippetID = snippetID.substring(1);
    String httpBlaBla = "http://tinybrain.de/";
    if (snippetID.startsWith(httpBlaBla))
      snippetID = snippetID.substring(httpBlaBla.length());
    return "" + parseLong(snippetID);
  }

  public static volatile boolean licensed_yes = true;

  public static boolean licensed() {
    if (!licensed_yes)
      return false;
    ping_okInCleanUp();
    return true;
  }

  public static void licensed_off() {
    licensed_yes = false;
  }

  public static long parseLong(String s) {
    if (empty(s))
      return 0;
    return Long.parseLong(dropSuffix("L", s));
  }

  public static long parseLong(Object s) {
    return Long.parseLong((String) s);
  }

  public static String dropSuffix(String suffix, String s) {
    return s.endsWith(suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  public static final class _MethodCache {

    public final Class c;

    public final HashMap<String, List<Method>> cache = new HashMap();

    public _MethodCache(Class c) {
      this.c = c;
      _init();
    }

    public void _init() {
      Class _c = c;
      while (_c != null) {
        for (Method m : _c.getDeclaredMethods()) if (!reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));
        _c = _c.getSuperclass();
      }
      for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (m.isDefault() && !reflection_isForbiddenMethod(m))
        multiMapPut(cache, m.getName(), makeAccessible(m));
    }

    public Method findMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public Method findStaticMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (isStaticMethod(me) && call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  public abstract static class VF3<A, B, C> {

    public abstract void get(A a, B b, C c);
  }

  public abstract static class ChessOCR_DynTestPieceRecognizers extends DynSingleFunctionWithPrintLog {

    public String scoreModule;

    public transient List<Result> results = syncList();

    public Best<String> best = new Best();

    public transient List<TestImage> images = new ArrayList();

    public transient JProgressBar progressBar;

    public transient Object onRecognition;

    public static class Result {

      public static String _fieldOrder = "recognizer score individualScores";

      public ChessPieceRecognizer recognizer;

      public double score;

      public Map<TestResult, Double> individualScores;

      public Result() {
      }

      public Result(ChessPieceRecognizer recognizer, double score, Map<TestResult, Double> individualScores) {
        this.individualScores = individualScores;
        this.score = score;
        this.recognizer = recognizer;
      }

      public String toString() {
        return "Result(" + recognizer + ", " + score + ", " + individualScores + ")";
      }
    }

    public static class TestResult {

      public static String _fieldOrder = "test pieceFound confidence";

      public TestImage test;

      public String pieceFound;

      public double confidence;

      public TestResult() {
      }

      public TestResult(TestImage test, String pieceFound, double confidence) {
        this.confidence = confidence;
        this.pieceFound = pieceFound;
        this.test = test;
      }

      public String toString() {
        return "TestResult(" + test + ", " + pieceFound + ", " + confidence + ")";
      }
    }

    public static class TestImage {

      public String caseName;

      public BufferedImage img;

      public String piece;

      public TestImage() {
      }

      public TestImage(String caseName, BufferedImage img, String piece) {
        this.piece = piece;
        this.img = img;
        this.caseName = caseName;
      }

      public String toString() {
        return caseName + ": " + piece;
      }
    }

    public void doIt() {
      prepare();
      results.clear();
      dm_call(scoreModule, "clear");
      testRecognizers();
    }

    public void testRecognizers() {
      ChessPieceRecognizer rec = new ChessPieceRecognizer();
      rec.version = 2;
      rec.load();
      testRecognizer(rec);
      testRecognizer(chessOCR_defaultPieceRecognizer());
    }

    public void prepare() {
      if (empty(images))
        loadImages();
      if (!dm_moduleExists(scoreModule))
        setField("scoreModule", dm_showNewModule("#1024827/ScoreMatrix"));
      else
        dm_activateModule(scoreModule);
    }

    public Result scoreRecognizer(String name, ChessPieceRecognizer rec) {
      Result result = new Result(rec, 0, new LinkedHashMap());
      try {
        Scorer scorer = new Scorer();
        for (TestImage img : images) {
          Pair<String, Double> out = rec.recognize(img.img);
          callF(onRecognition, rec, img, out);
          boolean ok = eqic(pairA(out), img.piece);
          scorer.add(ok);
          result.individualScores.put(new TestResult(img, out.a, out.b), ok ? 1.0 : 0.0);
        }
        print(scorer);
        result.score = scorer.score();
      } catch (Throwable e) {
        _handleException(e);
        print("RECOGNIZER TOTAL FAIL");
      }
      return result;
    }

    public void loadImages() {
      for (Pair<String, BufferedImage> __14 : map(p -> pair(p.b, loadImage2(p.a)), chessPieceImagesFromAGIBlue())) {
        String piece = pairA(__14);
        BufferedImage img = pairB(__14);
        images.add(new TestImage(md5OfBufferedImage(img), img, piece));
      }
      print("Loading done");
    }

    public void start() {
      super.start();
      setFunctionName("Run tests");
    }

    public JComponent visualize() {
      return centerAndSouthWithMargin(super.visualize(), withMargin(progressBar = jProgressBarWithText()));
    }

    public void testRecognizer(ChessPieceRecognizer rec) {
      String name = str(rec);
      prepare();
      long time = sysNow();
      Result r = scoreRecognizer(name, rec);
      time = sysNow() - time;
      print("Score for " + name + ": " + r.score);
      results.add(r);
      if (best.put(name, r.score))
        print("NEW BEST!");
      change();
      dm_call(scoreModule, "add", dm_call(scoreModule, "newEntry", r.recognizer, r.score, renderElapsedTimePleasantly(time), r.individualScores));
    }
  }

  public static class ChessPieceRecognizer {

    public MultiMap<String, ChessPieceProfile1> profiles;

    public double magicCombineFactor = 0.0012589254117941495;

    public int version = 1;

    public transient Pair<Pair<String, ChessPieceProfile1>, Double> best, runnerUp;

    public void load() {
      long time = sysNow();
      profiles = agiBlue_chessPieceProfiles(agiBlue_chessPieceImages_loadedMultiMap(), "version", version);
      compact();
      done2("Loading " + n2(l(profiles), "piece profile"), time);
    }

    public void compact() {
      int n = l(profiles);
      profiles = uniquifyMultiMapValues(profiles);
      int m = l(profiles);
      if (m < n)
        print("Compacted ChessPieceRecognizer " + n + " => " + m);
      internByteArrayField("sideProfile", values(profiles));
    }

    public Pair<String, Double> recognize(BufferedImage img) {
      ChessPieceProfile1 profile = chessOCR_pieceProfileFromRawImage_1(img);
      Lowest_withRunnerUp<Pair<String, ChessPieceProfile1>> lowest = new Lowest_withRunnerUp();
      for (Pair<String, ChessPieceProfile1> __61 : multiMapToPairs(profiles)) {
        String piece = pairA(__61);
        ChessPieceProfile1 p = pairB(__61);
        float sideProfileDiff = floatRatio(byteArraysTotalDiff(profile.sideProfile, p.sideProfile), l(p.sideProfile));
        float fillGradeDiff = abs(profile.fillGrade - p.fillGrade);
        double score = magicCombine(sideProfileDiff, fillGradeDiff);
        lowest.put(pair(piece, p), score);
      }
      best = lowest.pair();
      runnerUp = lowest.runnerUpPair();
      return !lowest.has() ? null : pair(pairA(lowest.get()), errorToPercent(lowest.score()));
    }

    public double errorToPercent(double d) {
      return 100 - d;
    }

    public double magicCombine(double sideProfileScore, double fillGradeScore) {
      double sum = sideProfileScore + fillGradeScore / magicCombineFactor;
      return sum;
    }

    public String toString() {
      return shortClassName(this) + "(v" + version + ", " + nProfiles(l(profiles)) + ")";
    }

    public ChessOCR_RecognizedBoard recognizeBoard(BufferedImage board) {
      ChessOCR_RecognizedBoard out = new ChessOCR_RecognizedBoard();
      List<List<BufferedImage>> squareImages = bufferedImageMNGrid(board, 8, 8);
      out.pieces = new ArrayList();
      for (BufferedImage img : concatLists(squareImages)) out.pieces.add(recognize(img));
      out.score = doubleAvg(pairsB(out.pieces));
      out.fen = chess_makeFEN(listToChunks(8, pairsA(out.pieces)));
      return out;
    }
  }

  public static class Pair<A, B> implements Comparable<Pair<A, B>> {

    public A a;

    public B b;

    public Pair() {
    }

    public Pair(A a, B b) {
      this.b = b;
      this.a = a;
    }

    public int hashCode() {
      return hashCodeFor(a) + 2 * hashCodeFor(b);
    }

    public boolean equals(Object o) {
      if (o == this)
        return true;
      if (!(o instanceof Pair))
        return false;
      Pair t = (Pair) o;
      return eq(a, t.a) && eq(b, t.b);
    }

    public String toString() {
      return "<" + a + ", " + b + ">";
    }

    public int compareTo(Pair<A, B> p) {
      if (p == null)
        return 1;
      int i = ((Comparable<A>) a).compareTo(p.a);
      if (i != 0)
        return i;
      return ((Comparable<B>) b).compareTo(p.b);
    }
  }

  public abstract static class DynSingleFunctionWithPrintLog extends DynSingleFunction {

    public JComponent visualize() {
      return centerAndSouthWithMargins(dm_printLogComponent(), super.visualize());
    }
  }

  public static class MultiMap<A, B> {

    public Map<A, List<B>> data = new HashMap<A, List<B>>();

    public MultiMap() {
    }

    public MultiMap(boolean useTreeMap) {
      if (useTreeMap)
        data = new TreeMap();
    }

    public MultiMap(MultiMap<A, B> map) {
      putAll(map);
    }

    public MultiMap(Map<A, List<B>> data) {
      this.data = data;
    }

    public void put(A key, B value) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list == null)
          data.put(key, list = _makeEmptyList());
        list.add(value);
      }
    }

    public void add(A key, B value) {
      put(key, value);
    }

    public void addAll(A key, Collection<B> values) {
      putAll(key, values);
    }

    public void addAllIfNotThere(A key, Collection<B> values) {
      synchronized (data) {
        for (B value : values) setPut(key, value);
      }
    }

    public void setPut(A key, B value) {
      synchronized (data) {
        if (!containsPair(key, value))
          put(key, value);
      }
    }

    public boolean containsPair(A key, B value) {
      synchronized (data) {
        return get(key).contains(value);
      }
    }

    public void putAll(A key, Collection<B> values) {
      synchronized (data) {
        if (nempty(values))
          getActual(key).addAll(values);
      }
    }

    public void removeAll(A key, Collection<B> values) {
      synchronized (data) {
        for (B value : values) remove(key, value);
      }
    }

    public List<B> get(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        return list == null ? Collections.<B>emptyList() : list;
      }
    }

    public List<B> getActual(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list == null)
          data.put(key, list = _makeEmptyList());
        return list;
      }
    }

    public void clean(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list != null && list.isEmpty())
          data.remove(key);
      }
    }

    public Set<A> keySet() {
      synchronized (data) {
        return data.keySet();
      }
    }

    public Set<A> keys() {
      synchronized (data) {
        return data.keySet();
      }
    }

    public void remove(A key) {
      synchronized (data) {
        data.remove(key);
      }
    }

    public void remove(A key, B value) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list != null) {
          list.remove(value);
          if (list.isEmpty())
            data.remove(key);
        }
      }
    }

    public void clear() {
      synchronized (data) {
        data.clear();
      }
    }

    public boolean containsKey(A key) {
      synchronized (data) {
        return data.containsKey(key);
      }
    }

    public B getFirst(A key) {
      synchronized (data) {
        List<B> list = get(key);
        return list.isEmpty() ? null : list.get(0);
      }
    }

    public void addAll(MultiMap<A, B> map) {
      putAll(map);
    }

    public void putAll(MultiMap<A, B> map) {
      synchronized (data) {
        for (A key : map.keySet()) putAll(key, map.get(key));
      }
    }

    public void putAll(Map<A, B> map) {
      synchronized (data) {
        if (map != null)
          for (Map.Entry<A, B> e : map.entrySet()) put(e.getKey(), e.getValue());
      }
    }

    public int keysSize() {
      synchronized (data) {
        return l(data);
      }
    }

    public int size() {
      synchronized (data) {
        int n = 0;
        for (List l : data.values()) n += l(l);
        return n;
      }
    }

    public List<A> reverseGet(B b) {
      synchronized (data) {
        List<A> l = new ArrayList();
        for (A key : data.keySet()) if (data.get(key).contains(b))
          l.add(key);
        return l;
      }
    }

    public Map<A, List<B>> asMap() {
      synchronized (data) {
        return cloneMap(data);
      }
    }

    public boolean isEmpty() {
      synchronized (data) {
        return data.isEmpty();
      }
    }

    public List<B> _makeEmptyList() {
      return new ArrayList();
    }

    public Collection<List<B>> allLists() {
      synchronized (data) {
        return new ArrayList(data.values());
      }
    }

    public List<B> allValues() {
      return concatLists(values(data));
    }

    public Object mutex() {
      return data;
    }

    public String toString() {
      return "mm" + str(data);
    }
  }

  public static class Lowest_withRunnerUp<A> extends Lowest<A> {

    public A runnerUp;

    public double runnerUpScore;

    public boolean put(A a, double score) {
      boolean change = false;
      synchronized (this) {
        if (a != null && isNewBest(score)) {
          runnerUp = best;
          runnerUpScore = this.score;
          best = a;
          this.score = score;
          change = true;
        }
      }
      if (change)
        pcallF(onChange);
      return change;
    }

    public synchronized Pair<A, Double> runnerUpPair() {
      return runnerUp == null ? null : main.pair(runnerUp, runnerUpScore);
    }
  }

  public static class Scorer<A> {

    public double score, total;

    public List<A> successes, errors;

    public boolean verboseFailures, verboseAll;

    public void addZeroToOne(double score) {
      ++total;
      this.score += clamp(score, 0, 1);
    }

    public void addZeroToOneError(double error) {
      addZeroToOne(1 - error);
    }

    public void addError() {
      add(false);
    }

    public void addOK() {
      add(true);
    }

    public boolean add(boolean correct) {
      ++total;
      if (correct)
        ++score;
      return correct;
    }

    public boolean add(boolean correct, A info) {
      main.add(correct ? successes : errors, info);
      if (verboseAll || verboseFailures && !correct)
        _print((correct ? "[GOOD] " : "[BAD] ") + info);
      return add(correct);
    }

    public void eq(Object a, Object b) {
      if (_eq(a, b))
        add(true);
      else
        add(false, (A) (a + " != " + b));
    }

    public void print() {
      main.print(toString());
    }

    public String toString() {
      return formatDouble(ratioToPercent(score, total), 1) + "% correct (n=" + total + ")";
    }

    public double get() {
      return ratioToPercent(score, total);
    }

    public double percentScore() {
      return get();
    }

    public double score() {
      return get();
    }

    public boolean allCorrect() {
      return score == total;
    }

    public void add(Scorer scorer) {
      if (scorer == null)
        return;
      total += scorer.total;
      score += scorer.score;
      addAll(successes, scorer.successes);
      addAll(errors, scorer.errors);
    }
  }

  public static class ChessOCR_RecognizedBoard {

    public List<Pair<String, Double>> pieces;

    public double score;

    public String fen;

    public Rect rectInOriginalImage;
  }

  public static class ChessPieceProfile1 {

    public byte[] sideProfile;

    public float fillGrade;

    public transient List<BWImage> preprocessedImages;

    public ChessPieceProfile1() {
    }

    public ChessPieceProfile1(byte[] sideProfile, float fillGrade) {
      this.fillGrade = fillGrade;
      this.sideProfile = sideProfile;
    }

    public boolean equals(Object o) {
      if (o instanceof ChessPieceProfile1)
        return fillGrade == ((ChessPieceProfile1) o).fillGrade && byteArrayEquals(sideProfile, ((ChessPieceProfile1) o).sideProfile);
      return false;
    }

    public int hashCode() {
      return _hashCode(fillGrade) + arrayHashCode(sideProfile);
    }
  }

  public static class TestResult {

    public double okPercentage;

    public String description;

    public PersistableThrowable e;

    public TestResult() {
    }

    public TestResult(boolean ok) {
      this(null, ok);
    }

    public TestResult(String description, double okPercentage) {
      this.okPercentage = okPercentage;
      this.description = description;
    }

    public TestResult(String description, boolean ok) {
      this.description = description;
      okPercentage = ok ? 100 : 0;
    }

    public TestResult(String description, Throwable e) {
      this.e = persistableThrowable(e);
      this.description = description;
    }

    public boolean ok() {
      return okPercentage >= 100;
    }

    public String toString() {
      return ifloor(okPercentage) + "%: " + or2(description, "Some test") + (e != null ? " [" + e + "]" : "");
    }
  }

  public static class Best<A> {

    public A best;

    public double score;

    public boolean verboseNewBest, replaceIfSameScore;

    public transient Object onChange;

    public transient Object stringifier;

    public synchronized boolean isNewBest(double score) {
      return best == null || !isNaN(score) && (replaceIfSameScore ? score >= this.score : score > this.score);
    }

    public synchronized double bestScore() {
      return best == null ? minusInfinity() : score;
    }

    public double score() {
      return bestScore();
    }

    public double getScore() {
      return bestScore();
    }

    public synchronized float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(Pair<? extends A, Double> p) {
      return p != null && put(p.a, p.b);
    }

    public boolean put(A a, double score) {
      ping();
      boolean change = false;
      if (a != null)
        synchronized (this) {
          if (isNewBest(score)) {
            best = a;
            this.score = score;
            change = true;
          }
        }
      if (change) {
        if (verboseNewBest)
          print("New best! " + this);
        pcallF(onChange);
      }
      return change;
    }

    public synchronized A get() {
      return best;
    }

    public synchronized boolean has() {
      return best != null;
    }

    public synchronized Pair<A, Double> pair() {
      return main.pair(best, bestScore());
    }

    public synchronized A getIfScoreAbove(double x) {
      return score() >= x ? best : null;
    }

    public String toString() {
      return "Score " + formatDouble_significant2(score, 4) + ": " + callStringifier(stringifier, best);
    }

    public boolean putAndPrintIfNewBest(A a, double score) {
      if (!put(a, score))
        return false;
      {
        print(this);
        return true;
      }
    }
  }

  public abstract static class DynSingleFunction extends DynModule {

    public transient String buttonText;

    public DynSingleFunction() {
    }

    public DynSingleFunction(String buttonText) {
      this.buttonText = buttonText;
    }

    public void setFunctionName(String name) {
      buttonText = name;
    }

    public JComponent visualize() {
      return jfullcenter(withMargin(makeButtons()));
    }

    public JComponent makeButtons() {
      return jbutton(or2(buttonText, dm_moduleName()), runnableThread(new Runnable() {

        public void run() {
          try {
            doItWithEnter();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "doItWithEnter();";
        }
      }));
    }

    public abstract void doIt();

    public void doItWithEnter() {
      AutoCloseable __1098 = enter();
      try {
        doIt();
      } finally {
        _close(__1098);
      }
    }
  }

  public static class Lowest<A> {

    public A best;

    public double score;

    public transient Object onChange;

    public synchronized boolean isNewBest(double score) {
      return best == null || score < this.score;
    }

    public synchronized double bestScore() {
      return best == null ? Double.NaN : score;
    }

    public double score() {
      return bestScore();
    }

    public synchronized float floatScore() {
      return best == null ? Float.NaN : (float) score;
    }

    public synchronized float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(A a, double score) {
      boolean change = false;
      synchronized (this) {
        if (a != null && isNewBest(score)) {
          best = a;
          this.score = score;
          change = true;
        }
      }
      if (change)
        pcallF(onChange);
      return change;
    }

    public synchronized A get() {
      return best;
    }

    public synchronized boolean has() {
      return best != null;
    }

    public synchronized Pair<A, Double> pair() {
      return best == null ? null : new Pair(best, bestScore());
    }
  }

  public static boolean reflection_isForbiddenMethod(Method m) {
    return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
  }

  public static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
    List<B> l = map.get(a);
    if (l == null)
      map.put(a, l = new ArrayList());
    l.add(b);
  }

  public static <A, B> void multiMapPut(MultiMap<A, B> mm, A key, B value) {
    if (mm != null && key != null && value != null)
      mm.put(key, value);
  }

  public static Field makeAccessible(Field f) {
    f.setAccessible(true);
    return f;
  }

  public static Method makeAccessible(Method m) {
    m.setAccessible(true);
    return m;
  }

  public static Set<Class> allInterfacesImplementedBy(Class c) {
    if (c == null)
      return null;
    HashSet<Class> set = new HashSet();
    allInterfacesImplementedBy_find(c, set);
    return set;
  }

  public static void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
    if (c.isInterface() && !set.add(c))
      return;
    do {
      for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set);
    } while ((c = c.getSuperclass()) != null);
  }

  public static Method findMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args);
  }

  public static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        print("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) {
      Object arg = args[i];
      if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) {
        if (debug)
          print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
        return false;
      }
    }
    return true;
  }

  public static Method findStaticMethod(Class c, String method, Object... args) {
    Class _c = c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) {
        if (!m.getName().equals(method))
          continue;
        if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length)
      return false;
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i])))
      return false;
    return true;
  }

  public static <A> List<A> syncList() {
    return synchroList();
  }

  public static <A> List<A> syncList(List<A> l) {
    return synchroList(l);
  }

  public static Object dm_call(Object moduleOrID, String method, Object... args) {
    Object mod = dm_getModule(moduleOrID);
    if (mod == null)
      return null;
    AutoCloseable __5 = dm_enter(mod);
    try {
      return call_withVarargs(mod, method, args);
    } finally {
      _close(__5);
    }
  }

  public static ChessPieceRecognizer chessOCR_defaultPieceRecognizer() {
    ChessPieceRecognizer rec = new ChessPieceRecognizer();
    rec.load();
    return rec;
  }

  public static List<RGBImage> loadImages(List<String> ids) {
    return map("loadImage", ids);
  }

  public static List<RGBImage> loadImages(String... ids) {
    return loadImages(asList(ids));
  }

  public static boolean dm_moduleExists(String moduleID) {
    return dm_getModule(moduleID) != null;
  }

  public static String dm_showNewModule(String moduleLibID) {
    return (String) dm_callOS("makeNewModule", moduleLibID, true);
  }

  public static void dm_activateModule(Object module) {
    dm_showModule(module);
  }

  public static void dm_activateModule() {
    dm_showModule();
  }

  public static boolean eqic(String a, String b) {
    if ((a == null) != (b == null))
      return false;
    if (a == null)
      return true;
    return a.equalsIgnoreCase(b);
  }

  public static boolean eqic(char a, char b) {
    if (a == b)
      return true;
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2)
      return true;
    return Character.toLowerCase(u1) == Character.toLowerCase(u2);
  }

  public static <A, B> A pairA(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static volatile PersistableThrowable _handleException_lastException;

  public static List _handleException_onException = synchroList(ll("printStackTrace2"));

  public static void _handleException(Throwable e) {
    _handleException_lastException = persistableThrowable(e);
    Throwable e2 = innerException(e);
    if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
      return;
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e3) {
      printStackTrace2(e3);
    }
  }

  public static List map(Iterable l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Iterable l) {
    List x = emptyList(l);
    if (l != null)
      for (Object o : l) x.add(callF(f, o));
    return x;
  }

  public static <A, B> List<B> map(Iterable<A> l, F1<A, B> f) {
    return map(f, l);
  }

  public static <A, B> List<B> map(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(callF(f, o));
    return x;
  }

  public static <A, B> List<B> map(IF1<A, B> f, Iterable<A> l) {
    return map(l, f);
  }

  public static <A, B> List<B> map(Iterable<A> l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(f.get(o));
    return x;
  }

  public static <A, B> List<B> map(IF1<A, B> f, A[] l) {
    return map(l, f);
  }

  public static <A, B> List<B> map(A[] l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) x.add(f.get(o));
    return x;
  }

  public static List map(Object f, Object[] l) {
    return map(f, asList(l));
  }

  public static List map(Object[] l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Map map) {
    return map(map, f);
  }

  public static List map(Map map, Object f) {
    List x = new ArrayList();
    if (map != null)
      for (Object _e : map.entrySet()) {
        Map.Entry e = (Map.Entry) _e;
        x.add(callF(f, e.getKey(), e.getValue()));
      }
    return x;
  }

  public static <A, B, C> List<C> map(Map<A, B> map, IF2<A, B, C> f) {
    return map(map, (Object) f);
  }

  public static BufferedImage loadImage2(String snippetIDOrURL) {
    return loadBufferedImage(snippetIDOrURL);
  }

  public static BufferedImage loadImage2(File file) {
    return loadBufferedImage(file);
  }

  public static List<Pair<String, String>> chessPieceImagesFromAGIBlue() {
    return mapPairsA("parseImageSnippetURL", filter(p -> isURL(p.a) && ai_chessPiecesSet().contains(p.b), agiBlue_pagesAndValuesForKey(agiBlue_chessPieceImagesSlice(), "is")));
  }

  public static List<Pair<String, String>> chessPieceImagesFromAGIBlue(Boolean lightSquares) {
    if (lightSquares == null)
      return chessPieceImagesFromAGIBlue();
    List<Pair<String, String>> raw = agiBlue_pagesAndValuesForKey(agiBlue_chessPieceImagesSlice(), "is");
    List<Pair<String, String>> squares = agiBlue_pagesAndValuesForKey(agiBlue_chessPieceImagesSlice(), "was on square");
    Set<String> set = asSet(pairsA(filter(squares, p -> lightSquares == chess_isLightSquare(p.b))));
    List<Pair<String, String>> filtered = filter(raw, p -> set.contains(p.a));
    return mapPairsA("parseImageSnippetURL", filtered);
  }

  public static <A, B> B pairB(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static String md5OfBufferedImage(BufferedImage img) {
    return img == null ? null : rgbMD5(new RGBImage(img));
  }

  public static JPanel centerAndSouthWithMargin(Component c, Component s) {
    return centerAndSouth(c, withTopMargin(s));
  }

  public static int withMargin_defaultWidth = 6;

  public static JPanel withMargin(Component c) {
    return withMargin(withMargin_defaultWidth, c);
  }

  public static JPanel withMargin(int w, Component c) {
    return withMargin(w, w, c);
  }

  public static JPanel withMargin(int w, int h, Component c) {
    return withMargin(w, h, w, h, c);
  }

  public static JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JProgressBar jProgressBarWithText() {
    return swing(new F0<JProgressBar>() {

      public JProgressBar get() {
        try {
          JProgressBar bar = new JProgressBar();
          bar.setStringPainted(true);
          return bar;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "new JProgressBar bar;\r\n    bar.setStringPainted(true);\r\n    ret bar;";
      }
    });
  }

  public static JProgressBar jProgressBarWithText(int maxValue) {
    JProgressBar bar = jProgressBarWithText();
    swingCall(bar, "setMaximum", maxValue);
    return bar;
  }

  public static long sysNow() {
    ping();
    return System.nanoTime() / 1000000;
  }

  public static void change() {
    callOpt(getOptMC("mainConcepts"), "allChanged");
  }

  public static String renderElapsedTimePleasantly(long ms) {
    double secs = toSeconds(ms);
    if (secs >= 1)
      return formatDouble(secs, 3) + " s";
    return ms + " ms";
  }

  public static MultiMap<String, ChessPieceProfile1> agiBlue_chessPieceProfiles(MultiMap<String, BufferedImage> images, Object... __) {
    return mapMultiMapValues(img -> chessOCR_pieceProfileFromRawImage_1(img, __), images);
  }

  public static MultiMap<String, ChessPieceProfile1> agiBlue_chessPieceProfiles() {
    return agiBlue_chessPieceProfiles(agiBlue_chessPieceImages_loadedMultiMap());
  }

  public static ThreadLocal<MultiMap<String, BufferedImage>> agiBlue_chessPieceImages_loadedMultiMap_cache = new ThreadLocal();

  public static MultiMap<String, BufferedImage> agiBlue_chessPieceImages_loadedMultiMap() {
    return agiBlue_chessPieceImages_loadedMultiMap(null);
  }

  public static MultiMap<String, BufferedImage> agiBlue_chessPieceImages_loadedMultiMap(Boolean lightSquares) {
    if (agiBlue_chessPieceImages_loadedMultiMap_cache.get() != null)
      return agiBlue_chessPieceImages_loadedMultiMap_cache.get();
    MultiMap<String, BufferedImage> mm = ciMultiMap();
    for (Pair<String, String> __18 : chessPieceImagesFromAGIBlue(lightSquares)) {
      String imageID = pairA(__18);
      String piece = pairB(__18);
      mm.put(piece, loadImage2(imageID));
    }
    return mm;
  }

  public static int done2_minPrint = 10;

  public static long done2(long startTime, String desc) {
    return done2(startTime, desc, done2_minPrint);
  }

  public static long done2(long startTime, String desc, int minPrint) {
    long time = sysNow() - startTime;
    saveTiming_noPrint(time);
    if (time >= minPrint)
      print(desc + " [" + time + " ms]");
    return time;
  }

  public static long done2(String desc, long startTime) {
    return done2(startTime, desc);
  }

  public static long done2(long startTime) {
    return done2(startTime, "");
  }

  public static String n2(long l) {
    return formatWithThousands(l);
  }

  public static String n2(Collection l) {
    return n2(l(l));
  }

  public static String n2(double l, String singular) {
    return n2(l, singular, singular + "s");
  }

  public static String n2(double l, String singular, String plural) {
    if (fraction(l) == 0)
      return n2((long) l, singular, plural);
    else
      return l + " " + plural;
  }

  public static String n2(long l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(long l, String singular) {
    return n_fancy2(l, singular, singular + "s");
  }

  public static String n2(Collection l, String singular) {
    return n2(l(l), singular);
  }

  public static String n2(Collection l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(Map m, String singular, String plural) {
    return n_fancy2(m, singular, plural);
  }

  public static String n2(Map m, String singular) {
    return n2(l(m), singular);
  }

  public static String n2(Object[] a, String singular) {
    return n2(l(a), singular);
  }

  public static String n2(Object[] a, String singular, String plural) {
    return n_fancy2(a, singular, plural);
  }

  public static String n2(MultiSet ms, String singular, String plural) {
    return n_fancy2(ms, singular, plural);
  }

  public static <A, B> MultiMap<A, B> uniquifyMultiMapValues(MultiMap<A, B> mm) {
    return mm == null ? null : new MultiMap(mapValues("uniquify", mm.data));
  }

  public static void internByteArrayField(String field, Collection l) {
    HashMap<HashedByteArray, byte[]> map = new HashMap();
    for (Object o : unnull(l)) {
      byte[] value = (byte[]) (getOpt(o, field));
      if (value == null)
        continue;
      HashedByteArray hashed = new HashedByteArray(value);
      byte[] existing = map.get(hashed);
      if (existing != null)
        setOpt(o, field, existing);
      else
        map.put(hashed, value);
    }
  }

  public static <A, B> Collection<B> values(Map<A, B> map) {
    return map == null ? emptyList() : map.values();
  }

  public static <A, B> Collection<B> values(MultiMap<A, B> mm) {
    return mm == null ? emptyList() : concatLists(values(mm.data));
  }

  public static ChessPieceProfile1 chessOCR_pieceProfileFromRawImage_1(BufferedImage img, Object... __) {
    boolean withPreprocessedImages = boolPar("withPreprocessedImages", __);
    BWImage bw = chessOCR_piecePreprocessing_1(img);
    BWImage bw2 = chessOCR_piecePreprocessingForFillGrade_1(img);
    ChessPieceProfile1 profile = new ChessPieceProfile1(ocr_sideProfile_scaledTo127(20, 0.5, bw), 1f - bwAverageBrightness(bw2));
    if (withPreprocessedImages)
      profile.preprocessedImages = ll(bw, bw2);
    return profile;
  }

  public static <A, B> List<Pair<A, B>> multiMapToPairs(MultiMap<A, B> mm) {
    List<Pair<A, B>> out = new ArrayList();
    for (A key : keys(mm)) for (B value : mm.get(key)) out.add(pair(key, value));
    return out;
  }

  public static float floatRatio(float x, float y) {
    return y == 0 ? 0 : x / y;
  }

  public static long byteArraysTotalDiff(byte[] a, byte[] b) {
    long diff = 0;
    int n = l(a);
    assertEquals("array length", n, l(b));
    for (int i = 0; i < n; i++) diff += abs(((int) a[i]) - b[i]);
    return diff;
  }

  public static float abs(float f) {
    return Math.abs(f);
  }

  public static int abs(int i) {
    return Math.abs(i);
  }

  public static double abs(double d) {
    return Math.abs(d);
  }

  public static String shortClassName(Object o) {
    if (o == null)
      return null;
    Class c = o instanceof Class ? (Class) o : o.getClass();
    String name = c.getName();
    return shortenClassName(name);
  }

  public static String nProfiles(long n) {
    return n2(n, "profile");
  }

  public static String nProfiles(Collection l) {
    return nProfiles(l(l));
  }

  public static List<List<BufferedImage>> bufferedImageMNGrid(int cols, int rows, BufferedImage img) {
    List<List<BufferedImage>> out = new ArrayList();
    for (List<Rect> l : gridOfRects3(img.getWidth(), img.getHeight(), cols, rows)) out.add(map(r -> clipBufferedImage(img, r), l));
    return out;
  }

  public static List<List<BufferedImage>> bufferedImageMNGrid(BufferedImage img, int cols, int rows) {
    return bufferedImageMNGrid(cols, rows, img);
  }

  public static <A> List<A> concatLists(Collection<A>... lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static <A> List<A> concatLists(Collection<? extends Collection<A>> lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static double doubleAvg(int... a) {
    return doubleAverage(a);
  }

  public static double doubleAvg(double... l) {
    return doubleAverage(l);
  }

  public static double doubleAvg(Collection<Double> l) {
    return doubleAverage(l);
  }

  public static <A, B> List<B> pairsB(Collection<Pair<A, B>> l) {
    return secondOfPairs(l);
  }

  public static String chess_makeFEN(List<List<String>> recognized) {
    if (empty(recognized))
      return null;
    List<String> out = new ArrayList();
    for (List<String> row : recognized) {
      int i = 0;
      StringBuilder buf = new StringBuilder();
      while (i < 8) {
        int j = smartIndexOfNot(row, "empty", i);
        if (j > i) {
          buf.append(j - i);
          i = j;
        } else {
          String p = row.get(i++);
          String piece = secondWord(p);
          char c = eq(piece, "knight") ? 'n' : first(piece);
          if (startsWith(p, "white"))
            c = upper(c);
          buf.append(c);
        }
      }
      out.add(str(buf));
    }
    return join("/", out);
  }

  public static <A> List<List<A>> listToChunks(List<A> l, int chunkSize) {
    int rows = intRatio_ceil(l(l), chunkSize);
    List<List<A>> out = emptyList(rows);
    for (int y = 0; y < rows; y++) out.add(subList(l, y * chunkSize, (y + 1) * chunkSize));
    return out;
  }

  public static <A> List<List<A>> listToChunks(int chunkSize, List<A> l) {
    return listToChunks(l, chunkSize);
  }

  public static <A, B> List<A> pairsA(Collection<Pair<A, B>> l) {
    return firstOfPairs(l);
  }

  public static int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static JPanel centerAndSouthWithMargins(Component c, Component s) {
    return applyDefaultMargin(centerAndSouth(c, withTopMargin(s)));
  }

  public static JComponent dm_printLogComponent() {
    DynModule mod = dm_current_mandatory();
    final JTextArea ta = moveCaretToEnd(typeWriterTextArea_noUndo(str(mod._actualPrintLog())));
    JComponent section = jSection("Log", awtEvery(ta, 500, new Runnable() {

      public void run() {
        try {
          setText(ta, str(mod._actualPrintLog()));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "setText(ta, str(mod._actualPrintLog()))";
      }
    }));
    componentPopupMenuItem(section, "Clear", new Runnable() {

      public void run() {
        try {
          clearPrintLog();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "clearPrintLog();";
      }
    });
    return section;
  }

  public static <A, B> Map<A, B> putAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null && b != null)
      a.putAll(b);
    return a;
  }

  public static <A, B> void put(Map<A, B> map, A a, B b) {
    if (map != null)
      map.put(a, b);
  }

  public static <A> void put(List<A> l, int i, A a) {
    if (l != null && i >= 0 && i < l(l))
      l.set(i, a);
  }

  public static <A> void remove(List<A> l, int i) {
    if (l != null && i >= 0 && i < l(l))
      l.remove(i);
  }

  public static <A> void remove(Collection<A> l, A a) {
    if (l != null)
      l.remove(a);
  }

  public static ArrayList emptyList() {
    return new ArrayList();
  }

  public static ArrayList emptyList(int capacity) {
    return new ArrayList(max(0, capacity));
  }

  public static ArrayList emptyList(Iterable l) {
    return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
  }

  public static ArrayList emptyList(Object[] l) {
    return emptyList(l(l));
  }

  public static <A> ArrayList<A> emptyList(Class<A> c) {
    return new ArrayList();
  }

  public static <A, B> Set<A> keySet(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

  public static Set keySet(Object map) {
    return keys((Map) map);
  }

  public static <A> Set<A> keySet(MultiSet<A> ms) {
    return ms.keySet();
  }

  public static <A, B> Set<A> keySet(MultiMap<A, B> mm) {
    return mm.keySet();
  }

  public static <A, B> Set<A> keys(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

  public static Set keys(Object map) {
    return keys((Map) map);
  }

  public static <A> Set<A> keys(MultiSet<A> ms) {
    return ms.keySet();
  }

  public static <A, B> Set<A> keys(MultiMap<A, B> mm) {
    return mm.keySet();
  }

  public static <A> A reverseGet(List<A> l, int idx) {
    if (l == null || idx < 0)
      return null;
    int n = l(l);
    return idx < n ? l.get(n - 1 - idx) : null;
  }

  public static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
    if (map == null)
      return new HashMap();
    synchronized (map) {
      return map instanceof TreeMap ? new TreeMap((TreeMap) map) : map instanceof LinkedHashMap ? new LinkedHashMap(map) : new HashMap(map);
    }
  }

  public static Object pcallF(Object f, Object... args) {
    return pcallFunction(f, args);
  }

  public static <A> A pcallF(F0<A> f) {
    try {
      return f == null ? null : f.get();
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A, B> B pcallF(F1<A, B> f, A a) {
    try {
      return f == null ? null : f.get(a);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A> void pcallF(VF1<A> f, A a) {
    try {
      if (f != null)
        f.get(a);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static float clamp(float x, float a, float b) {
    return x < a ? a : x > b ? b : x;
  }

  public static double clamp(double x, double a, double b) {
    return x < a ? a : x > b ? b : x;
  }

  public static int clamp(int x, int a, int b) {
    return x < a ? a : x > b ? b : x;
  }

  public static void add(BitSet bs, int i) {
    bs.set(i);
  }

  public static <A> boolean add(Collection<A> c, A a) {
    return c != null && c.add(a);
  }

  public static void add(Container c, Component x) {
    addToContainer(c, x);
  }

  public static <A> A _print(String s, A a) {
    return print(s, a);
  }

  public static <A> A _print(A a) {
    return print(a);
  }

  public static void _print() {
    print();
  }

  public static boolean _eq(Object a, Object b) {
    return eq(a, b);
  }

  public static String formatDouble(double d, int digits) {
    String format = digits <= 0 ? "0" : "0." + rep(digits, '#');
    return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)).format(d);
  }

  public static double ratioToPercent(double x, double y) {
    return x * 100 / y;
  }

  public static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
    if (c != null && b != null)
      for (A a : b) c.add(a);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
    return c != null && b != null && c.addAll(b);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, B... b) {
    return c != null && c.addAll(Arrays.asList(b));
  }

  public static <A, B> Map<A, B> addAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null)
      a.putAll(b);
    return a;
  }

  public static boolean byteArrayEquals(byte[] a, byte[] b) {
    return Arrays.equals(a, b);
  }

  public static int _hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static int arrayHashCode(byte[] a) {
    return Arrays.hashCode(a);
  }

  public static PersistableThrowable persistableThrowable(Throwable e) {
    return e == null ? null : new PersistableThrowable(e);
  }

  public static int ifloor(double d) {
    return (int) Math.floor(d);
  }

  public static String or2(String a, String b) {
    return nempty(a) ? a : b;
  }

  public static String or2(String a, String b, String c) {
    return or2(or2(a, b), c);
  }

  public static boolean isNaN(double d) {
    return Double.isNaN(d);
  }

  public static double minusInfinity() {
    return negativeInfinity();
  }

  public static <A> float getScore(Scored<A> s) {
    return s == null ? 0 : s.score;
  }

  public static String formatDouble_significant2(double d, int digits) {
    try {
      digits -= max(0, Math.floor(Math.log10(abs(d)) + 1));
      return formatDouble(d, digits);
    } catch (Throwable _e) {
      print("Had number: " + d + ", digits: " + digits);
      throw rethrow(_e);
    }
  }

  public static String callStringifier(Object stringifier, Object o) {
    return stringifier != null ? str(callF(stringifier, o)) : str(o);
  }

  public static JPanel jfullcenter(Component c) {
    return jFullCenter(c);
  }

  public static JButton jbutton(String text, Object action) {
    return newButton(text, action);
  }

  public static JButton jbutton(String text) {
    return newButton(text, null);
  }

  public static JButton jbutton(Action action) {
    return swingNu(JButton.class, action);
  }

  public static String dm_moduleName() {
    return dm_moduleName(assertNotNull(dm_current()));
  }

  public static String dm_moduleName(Object module) {
    return (String) callOpt(dm_getStem(module), "moduleName");
  }

  public static Runnable runnableThread(final Runnable r) {
    return new Runnable() {

      public void run() {
        try {
          startThread(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "startThread(r)";
      }
    };
  }

  public static void _close(AutoCloseable c) {
    if (c != null)
      try {
        c.close();
      } catch (Throwable e) {
        if (c instanceof javax.imageio.stream.ImageOutputStream)
          return;
        else
          throw rethrow(e);
      }
  }

  public static RGBImage loadImage(String snippetIDOrURL) {
    return new RGBImage(loadBufferedImage(snippetIDOrURL));
  }

  public static RGBImage loadImage(File f) {
    return new RGBImage(loadBufferedImage(f));
  }

  public static Throwable printStackTrace2(Throwable e) {
    print(getStackTrace2(e));
    return e;
  }

  public static void printStackTrace2() {
    printStackTrace2(new Throwable());
  }

  public static void printStackTrace2(String msg) {
    printStackTrace2(new Throwable(msg));
  }

  public static boolean eqOneOf(Object o, Object... l) {
    for (Object x : l) if (eq(o, x))
      return true;
    return false;
  }

  public static Method findMethod_cached(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        _MethodCache cache = callOpt_getCache(((Class) o));
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
            return m;
        return null;
      } else {
        _MethodCache cache = callOpt_getCache(o.getClass());
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (findMethod_checkArgs(m, args, false))
            return m;
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> List<A> synchroList() {
    return Collections.synchronizedList(new ArrayList<A>());
  }

  public static <A> List<A> synchroList(List<A> l) {
    return Collections.synchronizedList(l);
  }

  public static Object dm_getModule(Object moduleOrID) {
    if (moduleOrID == null || eq(moduleOrID, ""))
      return null;
    if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
      return dm_getService(((String) moduleOrID));
    if (isStringOrIntOrLong(moduleOrID))
      return dm_callOS("getDynModuleByID", str(moduleOrID));
    return dm_resolveModule(moduleOrID);
  }

  public static AutoCloseable dm_enter(Object mod) {
    return (AutoCloseable) callOpt(dm_getModule(mod), "enter");
  }

  public static Object dm_callOS(String functionName, Object... args) {
    return call(dm_os(), functionName, args);
  }

  public static void dm_showModule(Object module) {
    Object stem = dm_getStem(module);
    if (stem != null)
      dm_callOS("showModule", stem);
  }

  public static void dm_showModule() {
    dm_showModule(dm_current_mandatory_generic());
  }

  public static String asString(Object o) {
    return o == null ? null : o.toString();
  }

  public static <A> List<A> ll(A... a) {
    ArrayList l = new ArrayList(a.length);
    if (a != null)
      for (A x : a) l.add(x);
    return l;
  }

  public static Throwable innerException(Throwable e) {
    return getInnerException(e);
  }

  public static <A> ArrayList<A> cloneList(Iterable<A> l) {
    return l instanceof Collection ? cloneList((Collection) l) : asList(l);
  }

  public static <A> ArrayList<A> cloneList(Collection<A> l) {
    if (l == null)
      return new ArrayList();
    synchronized (collectionMutex(l)) {
      return new ArrayList<A>(l);
    }
  }

  public static boolean loadBufferedImage_useImageCache = true;

  public static BufferedImage loadBufferedImage(String snippetIDOrURLOrFile) {
    try {
      ping();
      if (snippetIDOrURLOrFile == null)
        return null;
      if (isURL(snippetIDOrURLOrFile))
        return imageIO_readURL(snippetIDOrURLOrFile);
      if (isAbsolutePath(snippetIDOrURLOrFile))
        return loadBufferedImage(new File(snippetIDOrURLOrFile));
      if (!isSnippetID(snippetIDOrURLOrFile))
        throw fail("Not a URL or snippet ID or file: " + snippetIDOrURLOrFile);
      String snippetID = "" + parseSnippetID(snippetIDOrURLOrFile);
      IResourceLoader rl = vm_getResourceLoader();
      if (rl != null)
        return loadBufferedImage(rl.loadLibrary(snippetID));
      File dir = imageSnippetsCacheDir();
      if (loadBufferedImage_useImageCache) {
        dir.mkdirs();
        File file = new File(dir, snippetID + ".png");
        if (file.exists() && file.length() != 0)
          try {
            return ImageIO.read(file);
          } catch (Throwable e) {
            e.printStackTrace();
          }
      }
      String imageURL = snippetImageURL_http(snippetID);
      print("Loading image: " + imageURL);
      BufferedImage image = imageIO_readURL(imageURL);
      if (loadBufferedImage_useImageCache) {
        File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
        ImageIO.write(image, "png", tempFile);
        tempFile.renameTo(new File(dir, snippetID + ".png"));
      }
      return image;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static BufferedImage loadBufferedImage(File file) {
    try {
      return file.isFile() ? ImageIO.read(file) : null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A, B, C> List<Pair<C, B>> mapPairsA(final Object f, Iterable<Pair<A, B>> l) {
    return mapPairA(f, l);
  }

  public static <A, B, C> List<Pair<C, B>> mapPairsA(F1<A, C> f, Iterable<Pair<A, B>> l) {
    return mapPairA(f, l);
  }

  public static <A, B, C> List<Pair<C, B>> mapPairsA(IF1<A, C> f, Iterable<Pair<A, B>> l) {
    return mapPairA(f, l);
  }

  public static String parseImageSnippetURL(String url) {
    String id = regexpExtract("\\d+$", url);
    return id == null ? null : "#" + id;
  }

  public static <A> List<A> filter(Iterable<A> c, Object pred) {
    if (pred instanceof F1)
      return filter(c, (F1<A, Boolean>) pred);
    List x = new ArrayList();
    if (c != null)
      for (Object o : c) if (isTrue(callF(pred, o)))
        x.add(o);
    return x;
  }

  public static List filter(Object pred, Iterable c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, F1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o))
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, IF1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o))
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static boolean isURL(String s) {
    return startsWithOneOf(s, "http://", "https://", "file:");
  }

  public static Set<String> ai_chessPiecesSet_cache;

  public static Set<String> ai_chessPiecesSet() {
    if (ai_chessPiecesSet_cache == null)
      ai_chessPiecesSet_cache = ai_chessPiecesSet_load();
    return ai_chessPiecesSet_cache;
  }

  public static Set<String> ai_chessPiecesSet_load() {
    return asCISet(ai_chessPieces());
  }

  public static List<Pair<String, String>> agiBlue_pagesAndValuesForKey(String slice, String key) {
    List<Pair<String, String>> l = new ArrayList();
    for (Map map : (List<Map>) loadJSONPage(agiBlueURL() + "/bot/entriesForKey" + hquery("slice", slice, "key", key))) l.add(pair((String) map.get("q"), (String) map.get("value")));
    return l;
  }

  public static String agiBlue_chessPieceImagesSlice() {
    return "rowmdrceiqdnlfso";
  }

  public static Set asSet(Object[] array) {
    HashSet set = new HashSet();
    for (Object o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static Set<String> asSet(String[] array) {
    TreeSet<String> set = new TreeSet();
    for (String o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static <A> Set<A> asSet(Iterable<A> l) {
    if (l instanceof Set)
      return (Set) l;
    HashSet<A> set = new HashSet();
    for (A o : unnull(l)) if (o != null)
      set.add(o);
    return set;
  }

  public static boolean chess_isLightSquare(String square) {
    int x;
    int y;
    Pair<Integer, Integer> __147 = chess_squareToPos(square);
    x = __147.a;
    y = __147.b;
    return even(x + y);
  }

  public static String rgbMD5(RGBImage img) {
    return md5OfRGBImage(img);
  }

  public static JPanel centerAndSouth(final Component c, final Component s) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.CENTER, wrap(c));
          if (s != null)
            panel.add(BorderLayout.SOUTH, wrap(s));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT...";
      }
    });
  }

  public static int withTopMargin_defaultWidth = 6;

  public static JPanel withTopMargin(Component c) {
    return withTopMargin(withTopMargin_defaultWidth, c);
  }

  public static JPanel withTopMargin(final int w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(w, 0, 0, 0));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static Object swing(Object f) {
    return swingAndWait(f);
  }

  public static <A> A swing(F0<A> f) {
    return (A) swingAndWait(f);
  }

  public static <A> A swing(IF0<A> f) {
    return (A) swingAndWait(f);
  }

  public static Object swingCall(final Object o, final String method, final Object... args) {
    return swing(new F0<Object>() {

      public Object get() {
        try {
          return call(o, method, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret call(o, method, args);";
      }
    });
  }

  public static Object getOptMC(String field) {
    return getOpt(mc(), field);
  }

  public static double toSeconds(long ms) {
    return ms / 1000.0;
  }

  public static String toSeconds(long ms, int digits) {
    return formatDouble(toSeconds(ms), digits);
  }

  public static MultiMap mapMultiMapValues(Object func, MultiMap mm) {
    MultiMap m = similarEmptyMultiMap(mm);
    for (Object key : keys(mm)) for (Object value : mm.get(key)) m.put(key, callF(func, value));
    return m;
  }

  public static MultiMap mapMultiMapValues(MultiMap mm, Object func) {
    return mapMultiMapValues(func, mm);
  }

  public static <A, B, C> MultiMap<A, C> mapMultiMapValues(IF1<B, C> func, MultiMap<A, B> mm) {
    return mapMultiMapValues((Object) func, mm);
  }

  public static <A> MultiMap<String, A> ciMultiMap() {
    return caseInsensitiveMultiMap();
  }

  public static ThreadLocal<Long> saveTiming_last = new ThreadLocal();

  public static void saveTiming(long ms) {
    print(ms + " ms");
    saveTiming_noPrint(ms);
  }

  public static void saveTiming_noPrint(long ms) {
    saveTiming_last.set(ms);
  }

  public static String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  public static double fraction(double d) {
    return d % 1;
  }

  public static String n_fancy2(long l, String singular, String plural) {
    return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
  }

  public static String n_fancy2(Collection l, String singular, String plural) {
    return n_fancy2(l(l), singular, plural);
  }

  public static String n_fancy2(Map m, String singular, String plural) {
    return n_fancy2(l(m), singular, plural);
  }

  public static String n_fancy2(Object[] a, String singular, String plural) {
    return n_fancy2(l(a), singular, plural);
  }

  public static String n_fancy2(MultiSet ms, String singular, String plural) {
    return n_fancy2(l(ms), singular, plural);
  }

  public static Map mapValues(Object func, Map map) {
    Map m = similarEmptyMap(map);
    for (Object key : keys(map)) m.put(key, callF(func, map.get(key)));
    return m;
  }

  public static <A, B, C> Map<A, C> mapValues(Map<A, B> map, IF1<B, C> f) {
    return mapValues(f, map);
  }

  public static Map mapValues(Map map, Object func) {
    return mapValues(func, map);
  }

  public static <A> List<A> uniquify(Collection<A> l) {
    return uniquifyList(l);
  }

  public static String unnull(String s) {
    return s == null ? "" : s;
  }

  public static <A> Collection<A> unnull(Collection<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A> List<A> unnull(List<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A, B> Map<A, B> unnull(Map<A, B> l) {
    return l == null ? emptyMap() : l;
  }

  public static <A> Iterable<A> unnull(Iterable<A> i) {
    return i == null ? emptyList() : i;
  }

  public static <A> A[] unnull(A[] a) {
    return a == null ? (A[]) new Object[0] : a;
  }

  public static BitSet unnull(BitSet b) {
    return b == null ? new BitSet() : b;
  }

  public static Pt unnull(Pt p) {
    return p == null ? new Pt() : p;
  }

  public static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
    return p != null ? p : new Pair(null, null);
  }

  public static boolean boolPar(ThreadLocal<Boolean> tl) {
    return boolOptParam(tl);
  }

  public static boolean boolPar(Object[] __, String name) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Map __) {
    return boolOptParam(name, __);
  }

  public static boolean boolPar(String name, Object[] params, boolean defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static BWImage chessOCR_piecePreprocessing_1(BufferedImage img, Object... __) {
    int version = optPar("version", __, 1);
    BWImage bw = bwImageTo2Bit(0.75f, img_cubedDistanceFromColor_withGain(rgbBlack(), 3.0, blurFilterBufferedImage(minFilterBufferedImage(3, img))));
    if (version == 1)
      bw = bwAutoCrop(bw);
    return bw;
  }

  public static BWImage chessOCR_piecePreprocessingForFillGrade_1(BufferedImage img) {
    return img_cubedDistanceFromColor_withGain(rgbBlack(), 2.5, img);
  }

  public static byte[] ocr_sideProfile_scaledTo127(int n, double stopAtRatio, BWImage img) {
    return concatByteArrays_reverseSecond(ocr_leftProfile_scaledTo127(n, stopAtRatio, img), ocr_rightProfile_scaledTo127(n, stopAtRatio, img));
  }

  public static float bwAverageBrightness(BWImage img) {
    return img == null ? 0 : (float) img.averageBrightness();
  }

  public static <A> A assertEquals(Object x, A y) {
    return assertEquals(null, x, y);
  }

  public static <A> A assertEquals(String msg, Object x, A y) {
    if (assertVerbose())
      return assertEqualsVerbose(msg, x, y);
    if (!(x == null ? y == null : x.equals(y)))
      throw fail((msg != null ? msg + ": " : "") + y + " != " + x);
    return y;
  }

  public static String shortenClassName(String name) {
    if (name == null)
      return null;
    int i = lastIndexOf(name, "$");
    if (i < 0)
      i = lastIndexOf(name, ".");
    return i < 0 ? name : substring(name, i + 1);
  }

  public static List<List<Rect>> gridOfRects3(int w, int h, int cols, int rows) {
    return gridOfRects3(new Rect(0, 0, w, h), cols, rows);
  }

  public static List<List<Rect>> gridOfRects3(Rect r, int cols, int rows) {
    List<List<Rect>> l = new ArrayList();
    for (int row = 0; row < rows; row++) {
      List<Rect> line = new ArrayList();
      int y1 = r.y + iround(r.h * (double) row / rows);
      int y2 = r.y + iround(r.h * (double) (row + 1) / rows);
      for (int col = 0; col < cols; col++) {
        int x1 = r.x + iround(r.w * (double) col / cols);
        int x2 = r.x + iround(r.w * (double) (col + 1) / cols);
        line.add(new Rect(x1, y1, x2 - x1, y2 - y1));
      }
      l.add(line);
    }
    return l;
  }

  public static BufferedImage clipBufferedImage(BufferedImage src, Rectangle clip) {
    return clipBufferedImage(src, new Rect(clip));
  }

  public static BufferedImage clipBufferedImage(BufferedImage src, Rect r) {
    if (src == null || r == null)
      return null;
    r = intersectRects(r, new Rect(0, 0, src.getWidth(), src.getHeight()));
    if (rectEmpty(r))
      return null;
    return src.getSubimage(r.x, r.y, r.w, r.h);
  }

  public static BufferedImage clipBufferedImage(BufferedImage src, int x, int y, int w, int h) {
    return clipBufferedImage(src, new Rect(x, y, w, h));
  }

  public static double doubleAverage(int... a) {
    double sum = 0;
    for (int i = 0; i < l(a); i++) sum += a[i];
    return doubleRatio(sum, l(a));
  }

  public static double doubleAverage(double... l) {
    return doubleRatio(doubleSum(l), l(l));
  }

  public static double doubleAverage(Collection<Double> l) {
    return doubleRatio(doubleSum(l), l(l));
  }

  public static <A, B> List<B> secondOfPairs(Collection<Pair<A, B>> l) {
    return map("secondOfPair", l);
  }

  public static <A> int smartIndexOfNot(List<A> l, A sub) {
    return smartIndexOfNot(l, sub, 0);
  }

  public static <A> int smartIndexOfNot(List<A> l, A sub, int start) {
    int i = start, n = l(l);
    while (i < n && eq(l.get(i), sub)) ++i;
    return i;
  }

  public static String secondWord(String s) {
    return secondJavaToken(s);
  }

  public static String upper(String s) {
    return s == null ? null : s.toUpperCase();
  }

  public static char upper(char c) {
    return Character.toUpperCase(c);
  }

  public static int intRatio_ceil(int a, int b) {
    return idiv_ceil(a, b);
  }

  public static <A> List<A> subList(List<A> l, int startIndex) {
    return subList(l, startIndex, l(l));
  }

  public static <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
    return subList(l, startIndex, endIndex);
  }

  public static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    int n = l(l);
    startIndex = Math.max(0, startIndex);
    endIndex = Math.min(n, endIndex);
    if (startIndex >= endIndex)
      return ll();
    if (startIndex == 0 && endIndex == n)
      return l;
    return l.subList(startIndex, endIndex);
  }

  public static <A, B> List<A> firstOfPairs(Collection<Pair<A, B>> l) {
    List<A> out = new ArrayList();
    for (Pair<A, B> p : unnull(l)) out.add(firstOfPair(p));
    return out;
  }

  public static <A extends JComponent> A applyDefaultMargin(final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMarg...";
        }
      });
    }
    return c;
  }

  public static <A extends JTextComponent> A moveCaretToEnd(A ta) {
    setCaretPosition(ta, textAreaTextLength(ta));
    return ta;
  }

  public static JTextArea typeWriterTextArea_noUndo() {
    return typeWriterTextArea_noUndo("");
  }

  public static JTextArea typeWriterTextArea_noUndo(String text) {
    return setFont(jTextArea_noUndo(text), typeWriterFont());
  }

  public static JPanel jSection(Component c) {
    return jSection("", c);
  }

  public static JPanel jSection(final String title, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          Border border = BorderFactory.createBevelBorder(BevelBorder.LOWERED);
          border = BorderFactory.createTitledBorder(border, title);
          JSection panel = new JSection(c);
          panel.setBorder(border);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Border border = BorderFactory.createBevelBorder(BevelBorder.LOWERED);\r\n    bo...";
      }
    });
  }

  public static JPanel jSection(String title) {
    return jSection(title, jpanel());
  }

  public static <A extends JComponent> A awtEvery(A component, long delay, Object r) {
    swingEvery(component, delay, r);
    return component;
  }

  public static <A extends JComponent> A awtEvery(A component, long delay, long firstDelay, Object r) {
    swingEvery(component, delay, firstDelay, r);
    return component;
  }

  public static void awtEvery(RootPaneContainer frame, long delay, Object r) {
    swingEvery(frame, delay, r);
  }

  public static <A extends JComponent> A awtEvery(A component, double delaySeconds, Object r) {
    return awtEvery(component, toMS(delaySeconds), r);
  }

  public static boolean setText_opt = true;

  public static <A extends JTextComponent> A setText(A c, Object text) {
    setText((JComponent) c, text);
    return c;
  }

  public static <A extends JComboBox> A setText(final A c, Object text) {
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            c.getEditor().setItem(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.getEditor().setItem(s);";
        }
      });
    }
    return c;
  }

  public static void setText(JLabel c, Object text) {
    setText((JComponent) c, text);
  }

  public static JButton setText(JButton c, Object text) {
    setText((JComponent) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text)));
    return c;
  }

  public static <A extends JComponent> A setText(final A c, Object text) {
    if (c == null)
      return null;
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (!setText_opt || neq(callOpt(c, "getText"), s))
              call(c, "setText", s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n      call(c, \"setText\", s);";
        }
      });
    }
    return c;
  }

  public static <A extends JComponent> A componentPopupMenuItem(A c, final String name, final Object action) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, name, action);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, name, action);";
      }
    });
    return c;
  }

  public static void componentPopupMenuItem(JComponent c, final JMenuItem menuItem) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, menuItem);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, menuItem);";
      }
    });
  }

  public static void clearPrintLog() {
    clearStringBuffer_gen(local_log);
  }

  public static int max(int a, int b) {
    return Math.max(a, b);
  }

  public static int max(int a, int b, int c) {
    return max(max(a, b), c);
  }

  public static long max(int a, long b) {
    return Math.max((long) a, b);
  }

  public static long max(long a, long b) {
    return Math.max(a, b);
  }

  public static double max(int a, double b) {
    return Math.max((double) a, b);
  }

  public static float max(float a, float b) {
    return Math.max(a, b);
  }

  public static double max(double a, double b) {
    return Math.max(a, b);
  }

  public static int max(Collection<Integer> c) {
    int x = Integer.MIN_VALUE;
    for (int i : c) x = max(x, i);
    return x;
  }

  public static double max(double[] c) {
    if (c.length == 0)
      return Double.MIN_VALUE;
    double x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  public static float max(float[] c) {
    if (c.length == 0)
      return Float.MAX_VALUE;
    float x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  public static byte max(byte[] c) {
    byte x = -128;
    for (byte d : c) if (d > x)
      x = d;
    return x;
  }

  public static short max(short[] c) {
    short x = -0x8000;
    for (short d : c) if (d > x)
      x = d;
    return x;
  }

  public static int max(int[] c) {
    int x = Integer.MIN_VALUE;
    for (int d : c) if (d > x)
      x = d;
    return x;
  }

  public static Object pcallFunction(Object f, Object... args) {
    try {
      return callFunction(f, args);
    } catch (Throwable __e) {
      _handleException(__e);
    }
    return null;
  }

  public static void addToContainer(final Container a, final Component b) {
    if (a != null && b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.add(b);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.add(b);";
        }
      });
    }
  }

  public static String rep(int n, char c) {
    return repeat(c, n);
  }

  public static String rep(char c, int n) {
    return repeat(c, n);
  }

  public static <A> List<A> rep(A a, int n) {
    return repeat(a, n);
  }

  public static <A> List<A> rep(int n, A a) {
    return repeat(n, a);
  }

  public static double negativeInfinity() {
    return Double.NEGATIVE_INFINITY;
  }

  public static JPanel jFullCenter(final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new GridBagLayout());
          panel.add(c);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new GridBagLayout);\r\n    panel.add(c);\r\n    ret panel;";
      }
    });
  }

  public static boolean newButton_autoToolTip = true;

  public static JButton newButton(final String text, final Object action) {
    return swing(new F0<JButton>() {

      public JButton get() {
        try {
          String text2 = dropPrefix("[disabled] ", text);
          final JButton btn = new JButton(text2);
          if (l(text2) < l(text))
            btn.setEnabled(false);
          if (newButton_autoToolTip) {
            btn.setToolTipText(btn.getText());
          }
          if (action != null)
            btn.addActionListener(actionListener(action, btn));
          return btn;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt...";
      }
    });
  }

  public static <A> A swingNu(final Class<A> c, final Object... args) {
    return swingConstruct(c, args);
  }

  public static <A> A assertNotNull(A a) {
    assertTrue(a != null);
    return a;
  }

  public static <A> A assertNotNull(String msg, A a) {
    assertTrue(msg, a != null);
    return a;
  }

  public static DynModule dm_current() {
    return dm_currentModule();
  }

  public static Object dm_getStem(Object moduleOrID) {
    if (isStringOrIntOrLong(moduleOrID))
      return dm_getStemByID(moduleOrID);
    return or(getOpt(dm_getModule(moduleOrID), "_host"), moduleOrID);
  }

  public static Thread startThread(Object runnable) {
    return startThread(defaultThreadName(), runnable);
  }

  public static Thread startThread(String name, Object runnable) {
    runnable = wrapAsActivity(runnable);
    return startThread(newThread(toRunnable(runnable), name));
  }

  public static Thread startThread(Thread t) {
    _registerThread(t);
    t.start();
    return t;
  }

  public static <A, B> B secondOfPair(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static String getStackTrace2(Throwable e) {
    return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n");
  }

  public static boolean isString(Object o) {
    return o instanceof String;
  }

  public static boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  public static Object dm_getService(String serviceName) {
    return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
  }

  public static boolean isStringOrIntOrLong(Object o) {
    return o instanceof String || o instanceof Integer || o instanceof Long;
  }

  public static Object dm_resolveModule(Object moduleOrStem) {
    return dm_callOS("resolveModule", moduleOrStem);
  }

  public static Object dm_os() {
    {
      Object __328 = vm_generalMap_get("stefansOS");
      if (__328 != null)
        return __328;
    }
    return creator();
  }

  public static Throwable getInnerException(Throwable e) {
    if (e == null)
      return null;
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

  public static Throwable getInnerException(Runnable r) {
    return getInnerException(getException(r));
  }

  public static Object collectionMutex(List l) {
    return l;
  }

  public static Object collectionMutex(Object o) {
    if (o instanceof List)
      return o;
    String c = className(o);
    if (eq(c, "java.util.TreeMap$KeySet"))
      c = className(o = getOpt(o, "m"));
    else if (eq(c, "java.util.HashMap$KeySet"))
      c = className(o = get_raw(o, "this$0"));
    if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
      c = className(o = get_raw(o, "m"));
    return o;
  }

  public static BufferedImage imageIO_readURL(String url) {
    try {
      if (startsWith(url, "https:"))
        disableCertificateValidation();
      return ImageIO.read(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isAbsolutePath(String s) {
    return s != null && new File(s).isAbsolute();
  }

  public static boolean isAbsolutePath(File f) {
    return f != null && f.isAbsolute();
  }

  public static IResourceLoader vm_getResourceLoader() {
    return proxy(IResourceLoader.class, vm_generalMap_get("_officialResourceLoader"));
  }

  public static File imageSnippetsCacheDir() {
    return javaxCachesDir("Image-Snippets");
  }

  public static String snippetImageURL_http(String snippetID) {
    return snippetImageURL_http(snippetID, "png");
  }

  public static String snippetImageURL_http(String snippetID, String contentType) {
    return replacePrefix("https://", "http://", snippetImageURL(snippetID, contentType)).replace(":8443", ":8080");
  }

  public static <A, B, C> List<Pair<C, B>> mapPairA(final Object f, Iterable<Pair<A, B>> l) {
    return map(l, new F1<Pair<A, B>, Pair<C, B>>() {

      public Pair<C, B> get(Pair<A, B> p) {
        try {
          return p == null ? null : pair((C) callF(f, p.a), p.b);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "p == null ? null : pair((C) callF(f, p.a), p.b)";
      }
    });
  }

  public static <A, B, C> List<Pair<C, B>> mapPairA(final F1<A, C> f, Iterable<Pair<A, B>> l) {
    return mapPairA((Object) f, l);
  }

  public static <A, B, C> List<Pair<C, B>> mapPairA(final IF1<A, C> f, Iterable<Pair<A, B>> l) {
    return mapPairA((Object) f, l);
  }

  public static String regexpExtract(String pat, String s) {
    if (s == null)
      return null;
    Matcher m = regexpMatcher(pat, s);
    return m.find() ? m.group() : null;
  }

  public static boolean startsWithOneOf(String s, String... l) {
    for (String x : l) if (startsWith(s, x))
      return true;
    return false;
  }

  public static TreeSet<String> asCISet(Iterable<String> c) {
    return toCaseInsensitiveSet(c);
  }

  public static TreeSet<String> asCISet(String... x) {
    return toCaseInsensitiveSet(x);
  }

  public static List<String> ai_chessPieces_cache;

  public static List<String> ai_chessPieces() {
    if (ai_chessPieces_cache == null)
      ai_chessPieces_cache = ai_chessPieces_load();
    return ai_chessPieces_cache;
  }

  public static List<String> ai_chessPieces_load() {
    return tlft("\r\n    empty\r\n    white king\r\n    black king\r\n    white queen\r\n    black queen\r\n    white rook\r\n    black rook\r\n    white bishop\r\n    black bishop\r\n    white knight\r\n    black knight\r\n    white pawn\r\n    black pawn\r\n  ");
  }

  public static Object loadJSONPage(String url) {
    return jsonDecode(loadPage(url));
  }

  public static boolean agiBlueURL_noHTTPS = false;

  public static String agiBlueURL_url = "https://agi.blue";

  public static String agiBlueURL() {
    return agiBlueURL_noHTTPS ? replacePrefix("https://", "http://", agiBlueURL_url) : agiBlueURL_url;
  }

  public static String hquery(Map params) {
    return htmlQuery(params);
  }

  public static String hquery(Object... data) {
    return htmlQuery(data);
  }

  public static Pair<Integer, Integer> chess_squareToPos(String square) {
    if (square == null)
      return null;
    assertLength(2, square);
    return pair(charDiff(upper(first(square)), 'A'), 8 - charDiff(second(square), '0'));
  }

  public static boolean even(int i) {
    return (i & 1) == 0;
  }

  public static boolean even(long i) {
    return (i & 1) == 0;
  }

  public static String md5OfRGBImage(RGBImage img) {
    try {
      MessageDigest m = MessageDigest.getInstance("MD5");
      m.update(intToBytes(img.getWidth()));
      int[] pixels = img.getPixels();
      for (int i = 0; i < l(pixels); i++) m.update(intToBytes(pixels[i]));
      return bytesToHex(m.digest());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static JComponent wrap(Object swingable) {
    return _recordNewSwingComponent(wrap_2(swingable));
  }

  public static JComponent wrap_2(Object swingable) {
    if (swingable == null)
      return null;
    JComponent c;
    if (swingable instanceof Component)
      c = componentToJComponent(((Component) swingable));
    else
      c = componentToJComponent((Component) callOpt(swingable, "swing"));
    if (c instanceof JTable || c instanceof JList || c instanceof JTextArea || c instanceof JEditorPane || c instanceof JTextPane || c instanceof JTree)
      return jscroll(c);
    return c == null ? jlabel(str(swingable)) : c;
  }

  public static void swingAndWait(Runnable r) {
    try {
      if (isAWTThread())
        r.run();
      else
        EventQueue.invokeAndWait(addThreadInfoToRunnable(r));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object swingAndWait(final Object f) {
    if (isAWTThread())
      return callF(f);
    else {
      final Var result = new Var();
      swingAndWait(new Runnable() {

        public void run() {
          try {
            result.set(callF(f));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "result.set(callF(f));";
        }
      });
      return result.get();
    }
  }

  public static MultiMap similarEmptyMultiMap(MultiMap m) {
    MultiMap mm = new MultiMap();
    if (m != null)
      mm.data = similarEmptyMap(m.data);
    return mm;
  }

  public static <A> MultiMap<String, A> caseInsensitiveMultiMap() {
    MultiMap<String, A> mm = new MultiMap();
    mm.data = caseInsensitiveMap();
    return mm;
  }

  public static String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  public static String trim(String s) {
    return s == null ? null : s.trim();
  }

  public static String trim(StringBuilder buf) {
    return buf.toString().trim();
  }

  public static String trim(StringBuffer buf) {
    return buf.toString().trim();
  }

  public static Map similarEmptyMap(Map m) {
    if (m instanceof TreeMap)
      return new TreeMap(((TreeMap) m).comparator());
    if (m instanceof LinkedHashMap)
      return new LinkedHashMap();
    return new HashMap();
  }

  public static <A> List<A> uniquifyList(Collection<A> l) {
    if (l == null)
      return null;
    if (l(l) < 2)
      return asList(l);
    HashSet<A> set = new HashSet();
    List<A> out = new ArrayList();
    for (A a : l) if (set.add(a))
      out.add(a);
    return out;
  }

  public static Map emptyMap() {
    return new HashMap();
  }

  public static boolean boolOptParam(ThreadLocal<Boolean> tl) {
    return isTrue(optPar(tl));
  }

  public static boolean boolOptParam(Object[] __, String name) {
    return isTrue(optParam(__, name));
  }

  public static boolean boolOptParam(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static boolean boolOptParam(String name, Map __) {
    return isTrue(optPar(name, __));
  }

  public static <A> A optParam(ThreadLocal<A> tl, A defaultValue) {
    return optPar(tl, defaultValue);
  }

  public static <A> A optParam(ThreadLocal<A> tl) {
    return optPar(tl);
  }

  public static Object optParam(String name, Map params) {
    return mapGet(params, name);
  }

  public static <A> A optParam(Object[] opt, String name, A defaultValue) {
    int n = l(opt);
    if (n == 1 && opt[0] instanceof Map) {
      Map map = (Map) (opt[0]);
      return map.containsKey(name) ? (A) map.get(name) : defaultValue;
    }
    if (!even(l(opt)))
      throw fail("Odd parameter length");
    for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name))
      return (A) opt[i + 1];
    return defaultValue;
  }

  public static Object optParam(Object[] opt, String name) {
    return optParam(opt, name, null);
  }

  public static <A> A optPar(ThreadLocal<A> tl, A defaultValue) {
    A a = tl.get();
    if (a != null) {
      tl.set(null);
      return a;
    }
    return defaultValue;
  }

  public static <A> A optPar(ThreadLocal<A> tl) {
    return optPar(tl, null);
  }

  public static Object optPar(Object[] params, String name) {
    return optParam(params, name);
  }

  public static Object optPar(String name, Object[] params) {
    return optParam(params, name);
  }

  public static Object optPar(String name, Map params) {
    return optParam(name, params);
  }

  public static <A> A optPar(Object[] params, String name, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static <A> A optPar(String name, Object[] params, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static BWImage bwImageTo2Bit(BWImage img, float threshold) {
    int w = img.w(), h = img.h();
    BWImage img2 = new BWImage(w, h);
    for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) img2.setPixel(x, y, img.getPixel(x, y) >= threshold ? 1f : 0f);
    return img2;
  }

  public static BWImage bwImageTo2Bit(BWImage img) {
    return bwImageTo2Bit(0.5f, img);
  }

  public static BWImage bwImageTo2Bit(float threshold, BWImage img) {
    return bwImageTo2Bit(img, threshold);
  }

  public static BWImage img_cubedDistanceFromColor_withGain(RGBImage img, RGB color, double gain) {
    int w = img.getWidth(), h = img.getHeight();
    int col = color.getInt();
    BWImage bw = new BWImage(w, h);
    for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) bw.setPixel(x, y, pow(rgbDiff(img.getInt(x, y), col) * (float) gain, 3));
    return bw;
  }

  public static BWImage img_cubedDistanceFromColor_withGain(BufferedImage img, RGB color, double gain) {
    return img_cubedDistanceFromColor_withGain(new RGBImage(img), color, gain);
  }

  public static BWImage img_cubedDistanceFromColor_withGain(RGB color, double gain, BufferedImage img) {
    return img_cubedDistanceFromColor_withGain(img, color, gain);
  }

  public static RGB rgbBlack() {
    return new RGB(0.0);
  }

  public static BufferedImage blurFilterBufferedImage(BufferedImage img) {
    return new BoxBlurFilter(1).get(img);
  }

  public static BufferedImage minFilterBufferedImage(BufferedImage img) {
    return new MinimumFilter(1).get(img);
  }

  public static BufferedImage minFilterBufferedImage(int radius, BufferedImage img) {
    return new MinimumFilter(radius).get(img);
  }

  public static BWImage bwAutoCrop(BWImage img) {
    return img.clip(autoCropOfBWImage(img));
  }

  public static byte[] concatByteArrays_reverseSecond(byte[] a, byte[] b) {
    int la = l(a), lb = l(b), n = la + lb;
    byte[] out = new byte[n];
    arraycopy(a, 0, out, 0, la);
    for (int i = 0; i < lb; i++) out[n - 1 - i] = b[i];
    return out;
  }

  public static byte[] ocr_leftProfile_scaledTo127(int n, double stopAtRatio, BWImage img) {
    int w = img.getWidth(), h = img.getHeight();
    int stopAt = min(w, iround(w * stopAtRatio));
    byte[] out = new byte[n];
    for (int y = 0; y < n; y++) {
      int realY = ifloor(y * h / n);
      int x = 0;
      while (x < stopAt && img.getPixel(x, realY) > 0.5f) ++x;
      out[y] = (byte) iround(x * 127.0 / stopAt);
    }
    return out;
  }

  public static byte[] ocr_rightProfile_scaledTo127(int n, double stopAtRatio, BWImage img) {
    int w = img.getWidth(), h = img.getHeight();
    int stopAt = min(w, iround(w * stopAtRatio));
    byte[] out = new byte[n];
    for (int y = 0; y < n; y++) {
      int realY = ifloor(y * h / n);
      int x = 0;
      while (x < stopAt && img.getPixel(w - 1 - x, realY) > 0.5f) ++x;
      out[y] = (byte) iround(x * 127.0 / stopAt);
    }
    return out;
  }

  public static ThreadLocal<Boolean> assertVerbose_value = new ThreadLocal();

  public static void assertVerbose(boolean b) {
    assertVerbose_value.set(b);
  }

  public static boolean assertVerbose() {
    return isTrue(assertVerbose_value.get());
  }

  public static <A> A assertEqualsVerbose(Object x, A y) {
    assertEqualsVerbose((String) null, x, y);
    return y;
  }

  public static <A> A assertEqualsVerbose(String msg, Object x, A y) {
    if (!eq(x, y)) {
      throw fail((msg != null ? msg + ": " : "") + (y) + " != " + (x));
    } else
      print("OK: " + (x));
    return y;
  }

  public static void assertEqualsVerbose(Scorer scorer, Object x, Object y) {
    if (scorer == null) {
      assertEqualsVerbose(x, y);
      return;
    }
    if (!eq(x, y)) {
      print((y) + " != " + (x));
      scorer.add(false);
    } else {
      print("OK: " + (x));
      scorer.add(true);
    }
  }

  public static int lastIndexOf(String a, String b) {
    return a == null || b == null ? -1 : a.lastIndexOf(b);
  }

  public static int lastIndexOf(String a, char b) {
    return a == null ? -1 : a.lastIndexOf(b);
  }

  public static int iround(double d) {
    return (int) Math.round(d);
  }

  public static int iround(Number n) {
    return iround(toDouble(n));
  }

  public static Rect intersectRects(Rect a, Rect b) {
    int x = max(a.x, b.x), y = max(a.y, b.y);
    int x2 = min(a.x + a.w, b.x + b.w), y2 = min(a.y + a.h, b.y + b.h);
    return new Rect(x, y, x2 - x, y2 - y);
  }

  public static boolean rectEmpty(Rect r) {
    return r == null || r.w <= 0 || r.h <= 0;
  }

  public static double doubleRatio(double x, double y) {
    return y == 0 ? 0 : x / y;
  }

  public static double doubleSum(Iterable<Double> l) {
    double sum = 0;
    for (Double i : unnull(l)) if (i != null)
      sum += i;
    return sum;
  }

  public static double doubleSum(double... l) {
    double sum = 0;
    if (l != null)
      for (double i : l) sum += i;
    return sum;
  }

  public static String secondJavaToken(String s) {
    return second(javaTokC_iterator(s));
  }

  public static int idiv_ceil(int a, int b) {
    return (a + b - 1) / b;
  }

  public static int idiv_ceil(long a, long b) {
    return toInt_checked((a + b - 1) / b);
  }

  public static <A, B> A firstOfPair(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static void setCaretPosition(final JTextComponent c, final int pos) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            try {
              int _pos = max(0, min(l(c.getText()), pos));
              c.setCaretPosition(_pos);
            } catch (Throwable __e) {
              _handleException(__e);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "pcall {\r\n      int _pos = max(0, min(l(c.getText()), pos));\r\n      c.setCaret...";
        }
      });
    }
  }

  public static int textAreaTextLength(JTextComponent ta) {
    return l(getText(ta));
  }

  public static <A extends JComponent> A setFont(final Font font, final A a) {
    if (a != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.setFont(font);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.setFont(font);";
        }
      });
    }
    return a;
  }

  public static <A extends JComponent> A setFont(A a, Font font) {
    return setFont(font, a);
  }

  public static <A extends JComponent> A setFont(final String fontID, float fontSize, final A a) {
    return setFont(loadFont_cached(fontID, fontSize), a);
  }

  public static JTextArea jTextArea_noUndo() {
    return jTextArea_noUndo("");
  }

  public static JTextArea jTextArea_noUndo(final String text) {
    return swingNu(JTextArea.class, text);
  }

  public static Font typeWriterFont() {
    return typeWriterFont(iround(14 * getSwingFontScale()));
  }

  public static Font typeWriterFont(int size) {
    return new Font("Courier", Font.PLAIN, size);
  }

  public static JPanel jpanel(LayoutManager layout) {
    return swingNu(JPanel.class, layout);
  }

  public static JPanel jpanel() {
    return swingNu(JPanel.class);
  }

  public static void swingEvery(JComponent component, long delay, Object r) {
    installTimer(component, delay, r);
  }

  public static void swingEvery(JComponent component, long delay, long firstDelay, Object r) {
    installTimer(component, r, delay, firstDelay);
  }

  public static void swingEvery(RootPaneContainer frame, long delay, Object r) {
    installTimer(frame, delay, r);
  }

  public static void swingEvery(RootPaneContainer frame, long delay, long firstDelay, Object r) {
    installTimer(frame, delay, firstDelay, r);
  }

  public static long toMS(double seconds) {
    return (long) (seconds * 1000);
  }

  public static String strUnnull(Object o) {
    return o == null ? "" : str(o);
  }

  public static String jlabel_textAsHTML_center_ifNeeded(String text) {
    if (swic(text, "<html>") && ewic(text, "</html>"))
      return text;
    if (!containsNewLines(text))
      return text;
    return jlabel_textAsHTML_center(text);
  }

  public static void addMenuItem(JPopupMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static void addMenuItem(JMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(Menu menu, String text, Object action) {
    menu.add(menuItem(text, action));
  }

  public static void addMenuItem(JMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static void clearStringBuffer_gen(Object buf) {
    if (buf != null) {
      call(buf, "setLength", 0);
      call(buf, "trimToSize");
    }
  }

  public static Object callFunction(Object f, Object... args) {
    return callF(f, args);
  }

  public static String repeat(char c, int n) {
    n = Math.max(n, 0);
    char[] chars = new char[n];
    for (int i = 0; i < n; i++) chars[i] = c;
    return new String(chars);
  }

  public static <A> List<A> repeat(A a, int n) {
    n = Math.max(n, 0);
    List<A> l = new ArrayList(n);
    for (int i = 0; i < n; i++) l.add(a);
    return l;
  }

  public static <A> List<A> repeat(int n, A a) {
    return repeat(a, n);
  }

  public static String dropPrefix(String prefix, String s) {
    return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
  }

  public static ActionListener actionListener(final Object runnable) {
    return actionListener(runnable, null);
  }

  public static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    final Object info = _threadInfo();
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          _threadInheritInfo(info);
          AutoCloseable __1654 = holdInstance(instanceToHold);
          try {
            callF(runnable);
          } finally {
            _close(__1654);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static <A> A swingConstruct(final Class<A> c, final Object... args) {
    return swing(new F0<A>() {

      public A get() {
        try {
          return nuObject(c, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret nuObject(c, args);";
      }
    });
  }

  public static Object dm_getStemByID(Object id) {
    return dm_callOS("getModuleByID", str(id));
  }

  public static String defaultThreadName_name;

  public static String defaultThreadName() {
    if (defaultThreadName_name == null)
      defaultThreadName_name = "A thread by " + programID();
    return defaultThreadName_name;
  }

  public static Runnable wrapAsActivity(Object r) {
    return toRunnable(r);
  }

  public static Thread newThread(Object runnable) {
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
  }

  public static Thread newThread(Object runnable, String name) {
    if (name == null)
      name = defaultThreadName();
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
  }

  public static Thread newThread(String name, Object runnable) {
    return newThread(runnable, name);
  }

  public static Runnable toRunnable(final Object o) {
    if (o instanceof Runnable)
      return (Runnable) o;
    return new Runnable() {

      public void run() {
        try {
          callF(o);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(o)";
      }
    };
  }

  public static Map<Thread, Boolean> _registerThread_threads;

  public static Object _onRegisterThread;

  public static Thread _registerThread(Thread t) {
    if (_registerThread_threads == null)
      _registerThread_threads = newWeakHashMap();
    _registerThread_threads.put(t, true);
    vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc()));
    callF(_onRegisterThread, t);
    return t;
  }

  public static void _registerThread() {
    _registerThread(Thread.currentThread());
  }

  public static String hideCredentials(URL url) {
    return url == null ? null : hideCredentials(str(url));
  }

  public static String hideCredentials(String url) {
    try {
      if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url)))
        return url;
    } catch (Throwable e) {
      print("HideCredentials", e);
    }
    return url.replaceAll("([&?])(_pass|key)=[^&\\s\"]*", "$1$2=<hidden>");
  }

  public static String hideCredentials(Object o) {
    return hideCredentials(str(o));
  }

  public static String getStackTrace(Throwable throwable) {
    lastException(throwable);
    return getStackTrace_noRecord(throwable);
  }

  public static String getStackTrace_noRecord(Throwable throwable) {
    StringWriter writer = new StringWriter();
    throwable.printStackTrace(new PrintWriter(writer));
    return hideCredentials(writer.toString());
  }

  public static String getStackTrace() {
    return getStackTrace_noRecord(new Throwable());
  }

  public static Throwable unwrapTrivialExceptionWraps(Throwable e) {
    if (e == null)
      return e;
    while (e.getClass() == RuntimeException.class && e.getCause() != null && eq(e.getMessage(), str(e.getCause()))) e = e.getCause();
    return e;
  }

  public static String replacePrefix(String prefix, String replacement, String s) {
    if (!startsWith(s, prefix))
      return s;
    return replacement + substring(s, l(prefix));
  }

  public static Throwable innerException2(Throwable e) {
    if (e == null)
      return null;
    while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause();
    return e;
  }

  public static boolean isJavaIdentifier(String s) {
    if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
      return false;
    for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
    return true;
  }

  public static Object vmBus_query(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    {
      Object __466 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg);
      if (__466 != null)
        return __466;
    }
    return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static Object vmBus_query(String msg) {
    return vmBus_query(msg, (Object) null);
  }

  public static String assertIdentifier(String s) {
    return assertIsIdentifier(s);
  }

  public static String assertIdentifier(String msg, String s) {
    return assertIsIdentifier(msg, s);
  }

  public static Object vm_generalMap_get(Object key) {
    return vm_generalMap().get(key);
  }

  public static WeakReference<Object> creator_class;

  public static Object creator() {
    return creator_class == null ? null : creator_class.get();
  }

  public static Throwable getException(Runnable r) {
    try {
      callF(r);
      return null;
    } catch (Throwable e) {
      return e;
    }
  }

  public static String className(Object o) {
    return getClassName(o);
  }

  public static volatile boolean disableCertificateValidation_attempted = false;

  public static void disableCertificateValidation() {
    try {
      if (disableCertificateValidation_attempted)
        return;
      disableCertificateValidation_attempted = true;
      try {
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

          public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[0];
          }

          public void checkClientTrusted(X509Certificate[] certs, String authType) {
          }

          public void checkServerTrusted(X509Certificate[] certs, String authType) {
          }
        } };
        HostnameVerifier hv = new HostnameVerifier() {

          public boolean verify(String hostname, SSLSession session) {
            return true;
          }
        };
        SSLContext sc = SSLContext.getInstance("SSL");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        HttpsURLConnection.setDefaultHostnameVerifier(hv);
      } catch (Throwable __e) {
        _handleException(__e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A proxy(Class<A> intrface, final Object target) {
    if (target == null)
      return null;
    if (isInstance(intrface, target))
      return (A) target;
    return (A) java.lang.reflect.Proxy.newProxyInstance(intrface.getClassLoader(), new Class[] { intrface }, new InvocationHandler() {

      public Object invoke(Object proxy, Method method, Object[] args) {
        return call(target, method.getName(), unnull(args));
      }
    });
  }

  public static <A> A proxy(Object target, Class<A> intrface) {
    return proxy(intrface, target);
  }

  public static File javaxCachesDir_dir;

  public static File javaxCachesDir() {
    return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
  }

  public static File javaxCachesDir(String sub) {
    return newFile(javaxCachesDir(), sub);
  }

  public static String snippetImageURL(long snippetID) {
    return snippetImageURL(fsI(snippetID));
  }

  public static String snippetImageURL(String snippetID) {
    return snippetImageURL(snippetID, "png");
  }

  public static String snippetImageURL(String snippetID, String contentType) {
    if (isURL(snippetID))
      return snippetID;
    long id = parseSnippetID(snippetID);
    String url;
    if (id == 1000010 || id == 1000012)
      url = "http://tinybrain.de:8080/tb/show-blobimage.php?id=" + id;
    else if (isImageServerSnippet(id))
      url = imageServerLink(id);
    else
      url = "https://www.botcompany.de:8443/img/" + id;
    return url;
  }

  public static Matcher regexpMatcher(String pat, String s) {
    return compileRegexp(pat).matcher(unnull(s));
  }

  public static TreeSet<String> toCaseInsensitiveSet(Iterable<String> c) {
    if (isCISet(c))
      return (TreeSet) c;
    TreeSet<String> set = caseInsensitiveSet();
    addAll(set, c);
    return set;
  }

  public static TreeSet<String> toCaseInsensitiveSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet();
    addAll(set, x);
    return set;
  }

  public static List<String> tlft(String s) {
    return toLinesFullTrim(s);
  }

  public static List<String> tlft(File f) {
    return toLinesFullTrim(f);
  }

  public static boolean jsonDecode_useOrderedMaps = true;

  public static Object jsonDecode(final String text) {
    final List<String> tok = jsonTok(text);
    if (l(tok) == 1)
      return null;
    class Y {

      public int i = 1;

      public Object parse() {
        String t = tok.get(i);
        if (t.startsWith("\"")) {
          String s = unquote(tok.get(i));
          i += 2;
          return s;
        }
        if (t.equals("{"))
          return parseMap();
        if (t.equals("["))
          return this.parseList();
        if (t.equals("null")) {
          i += 2;
          return null;
        }
        if (t.equals("false")) {
          i += 2;
          return false;
        }
        if (t.equals("true")) {
          i += 2;
          return true;
        }
        boolean minus = false;
        if (t.equals("-")) {
          minus = true;
          i += 2;
          t = get(tok, i);
        }
        if (isInteger(t)) {
          i += 2;
          if (eq(get(tok, i), ".")) {
            String x = t + "." + get(tok, i + 2);
            i += 4;
            double d = parseDouble(x);
            if (minus)
              d = -d;
            return d;
          } else {
            long l = parseLong(t);
            if (minus)
              l = -l;
            return l != (int) l ? new Long(l) : new Integer((int) l);
          }
        }
        throw new RuntimeException("Unknown token " + (i + 1) + ": " + t + ": " + text);
      }

      public Object parseList() {
        consume("[");
        List list = new ArrayList();
        while (!tok.get(i).equals("]")) {
          list.add(parse());
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("]");
        return list;
      }

      public Object parseMap() {
        consume("{");
        Map map = jsonDecode_useOrderedMaps ? new LinkedHashMap() : new TreeMap();
        while (!tok.get(i).equals("}")) {
          String key = unquote(tok.get(i));
          i += 2;
          consume(":");
          Object value = parse();
          map.put(key, value);
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("}");
        return map;
      }

      public void consume(String s) {
        if (!tok.get(i).equals(s)) {
          String prevToken = i - 2 >= 0 ? tok.get(i - 2) : "";
          String nextTokens = join(tok.subList(i, Math.min(i + 4, tok.size())));
          throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
        }
        i += 2;
      }
    }
    return new Y().parse();
  }

  public static String htmlQuery(Map params) {
    return empty(params) ? "" : "?" + makePostData(params);
  }

  public static String htmlQuery(Object... data) {
    return empty(data) ? "" : "?" + makePostData(data);
  }

  public static <A> List<A> assertLength(int length, List<A> l) {
    assertEquals(length, l(l));
    return l;
  }

  public static String assertLength(int length, String s) {
    assertEquals(s, length, l(s));
    return s;
  }

  public static String assertLength(String s, int length) {
    return assertLength(length, s);
  }

  public static int charDiff(char a, char b) {
    return (int) a - (int) b;
  }

  public static int charDiff(String a, char b) {
    return charDiff(stringToChar(a), b);
  }

  public static <A> A second(List<A> l) {
    return get(l, 1);
  }

  public static <A> A second(Iterable<A> l) {
    if (l == null)
      return null;
    Iterator<A> it = iterator(l);
    if (!it.hasNext())
      return null;
    it.next();
    return it.hasNext() ? it.next() : null;
  }

  public static <A> A second(A[] bla) {
    return bla == null || bla.length <= 1 ? null : bla[1];
  }

  public static <A, B> B second(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static <A> A second(Producer<A> p) {
    if (p == null)
      return null;
    if (p.next() == null)
      return null;
    return p.next();
  }

  public static char second(String s) {
    return charAt(s, 1);
  }

  public static byte[] intToBytes(int i) {
    return new byte[] { (byte) (i >>> 24), (byte) (i >>> 16), (byte) (i >>> 8), (byte) i };
  }

  public static String bytesToHex(byte[] bytes) {
    return bytesToHex(bytes, 0, bytes.length);
  }

  public static String bytesToHex(byte[] bytes, int ofs, int len) {
    StringBuilder stringBuilder = new StringBuilder(len * 2);
    for (int i = 0; i < len; i++) {
      String s = "0" + Integer.toHexString(bytes[ofs + i]);
      stringBuilder.append(s.substring(s.length() - 2, s.length()));
    }
    return stringBuilder.toString();
  }

  public static <A extends Component> A _recordNewSwingComponent(A c) {
    if (c != null)
      callF((Object) vm_generalMap_get("newSwingComponentRegistry"), (Object) c);
    return c;
  }

  public static JComponent componentToJComponent(Component c) {
    if (c instanceof JComponent)
      return (JComponent) c;
    if (c instanceof JFrame)
      return ((JFrame) c).getRootPane();
    if (c == null)
      return null;
    throw fail("boohoo " + getClassName(c));
  }

  public static JScrollPane jscroll(final Component c) {
    return swing(new F0<JScrollPane>() {

      public JScrollPane get() {
        try {
          return new JScrollPane(c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret new JScrollPane(c);";
      }
    });
  }

  public static JLabel jlabel(final String text) {
    return swingConstruct(BetterLabel.class, text);
  }

  public static JLabel jlabel() {
    return jlabel(" ");
  }

  public static Runnable addThreadInfoToRunnable(final Object r) {
    final Object info = _threadInfo();
    return info == null ? asRunnable(r) : new Runnable() {

      public void run() {
        try {
          _inheritThreadInfo(info);
          callF(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "_inheritThreadInfo(info); callF(r);";
      }
    };
  }

  public static <A> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

  public static <A, B> B mapGet(Map<A, B> map, A a) {
    return map == null || a == null ? null : map.get(a);
  }

  public static <A, B> B mapGet(A a, Map<A, B> map) {
    return map == null || a == null ? null : map.get(a);
  }

  public static double pow(double a, double b) {
    return Math.pow(a, b);
  }

  public static float pow(float a, float b) {
    return (float) Math.pow(a, b);
  }

  public static BigInteger pow(BigInteger a, int b) {
    return a.pow(b);
  }

  public static float rgbDiff(RGB a, RGB b) {
    return (float) (Math.abs(a.r - b.r) + Math.abs(a.g - b.g) + Math.abs(a.b - b.b)) / 3;
  }

  public static float rgbDiff(int a, int b) {
    int r1 = (a >> 16) & 0xFF;
    int g1 = (a >> 8) & 0xFF;
    int b1 = a & 0xFF;
    int r2 = (b >> 16) & 0xFF;
    int g2 = (b >> 8) & 0xFF;
    int b2 = b & 0xFF;
    return (Math.abs(r1 - r2) + Math.abs(g1 - g2) + Math.abs(b1 - b2)) / (3f * 255);
  }

  public static float autoCropOfBWImage_threshold = 0.9f;

  public static Rect autoCropOfBWImage(BWImage img) {
    return autoCropOfBWImage(img, new Rect(0, 0, img.getWidth(), img.getHeight()));
  }

  public static Rect autoCropOfBWImage(BWImage img, Rect r) {
    return autoCropOfBWImage(img, r, autoCropOfBWImage_threshold);
  }

  public static Rect autoCropOfBWImage(BWImage img, Rect r, float threshold) {
    int x1 = r.x, y1 = r.y, x2 = r.x2(), y2 = r.y2();
    end1: while (x1 < x2) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x1, y) <= threshold)
        break end1;
      x1++;
    }
    end2: while (y1 < y2) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y1) <= threshold)
        break end2;
      y1++;
    }
    end3: while (x2 > x1) {
      for (int y = y1; y < y2; y++) if (img.getPixel(x2 - 1, y) <= threshold)
        break end3;
      x2--;
    }
    end4: while (y2 > y1) {
      for (int x = x1; x < x2; x++) if (img.getPixel(x, y2 - 1) <= threshold)
        break end4;
      y2--;
    }
    if (x2 <= x1 || y2 <= y1)
      return r;
    else
      return new Rect(x1, y1, x2 - x1, y2 - y1);
  }

  public static double toDouble(Object o) {
    if (o instanceof Number)
      return ((Number) o).doubleValue();
    if (o instanceof BigInteger)
      return ((BigInteger) o).doubleValue();
    if (o == null)
      return 0.0;
    throw fail(o);
  }

  public static Producer<String> javaTokC_iterator(final String s) {
    return new Producer<String>() {

      public final int l = s.length();

      public int i = 0;

      public String next() {
        if (i >= l)
          return null;
        int j = i;
        char c, d;
        while (j < l) {
          c = s.charAt(j);
          d = j + 1 >= l ? '\0' : s.charAt(j + 1);
          if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
            ++j;
          else if (c == '/' && d == '*') {
            do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
            j = Math.min(j + 2, l);
          } else if (c == '/' && d == '/') {
            do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
          } else
            break;
        }
        i = j;
        if (i >= l)
          return null;
        c = s.charAt(i);
        d = i + 1 >= l ? '\0' : s.charAt(i + 1);
        if (c == '\'' || c == '"') {
          char opener = c;
          ++j;
          while (j < l) {
            if (s.charAt(j) == opener || s.charAt(j) == '\n') {
              ++j;
              break;
            } else if (s.charAt(j) == '\\' && j + 1 < l)
              j += 2;
            else
              ++j;
          }
        } else if (Character.isJavaIdentifierStart(c))
          do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
        else if (Character.isDigit(c)) {
          do ++j; while (j < l && Character.isDigit(s.charAt(j)));
          if (j < l && s.charAt(j) == 'L')
            ++j;
        } else if (c == '[' && d == '[') {
          do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
          j = Math.min(j + 2, l);
        } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
          do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
          j = Math.min(j + 3, l);
        } else
          ++j;
        String t = quickSubstring(s, i, j);
        i = j;
        return t;
      }
    };
  }

  public static int toInt_checked(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static String getText(final AbstractButton c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JTextComponent c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JLabel l) {
    return l == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return l.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret l.getText();";
      }
    });
  }

  public static String getText(final JComboBox cb) {
    if (cb == null)
      return null;
    if (isEditableComboBox(cb))
      return unnull((String) cb.getEditor().getItem());
    else
      return str(cb.getSelectedItem());
  }

  public static Map<String, Font> loadFont_cached_cache = new HashMap();

  public static synchronized Font loadFont_cached(String snippetID) {
    try {
      snippetID = formatSnippetID(snippetID);
      Font f = loadFont_cached_cache.get(snippetID);
      if (f == null)
        loadFont_cached_cache.put(snippetID, f = loadFont(snippetID, 12f));
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static synchronized Font loadFont_cached(String snippetID, float size) {
    try {
      return loadFont_cached(snippetID).deriveFont(size);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static float getSwingFontScale() {
    return or((Float) vm_generalMap_get("swingFontScale_value"), 1f);
  }

  public static Timer installTimer(JComponent component, Object r, long delay) {
    return installTimer(component, r, delay, delay);
  }

  public static Timer installTimer(RootPaneContainer frame, long delay, Object r) {
    return installTimer(frame.getRootPane(), r, delay, delay);
  }

  public static Timer installTimer(JComponent component, long delay, Object r) {
    return installTimer(component, r, delay, delay);
  }

  public static Timer installTimer(JComponent component, long delay, long firstDelay, Object r) {
    return installTimer(component, r, delay, firstDelay);
  }

  public static Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay) {
    return installTimer(component, r, delay, firstDelay, true);
  }

  public static Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay, final boolean repeats) {
    if (component == null)
      return null;
    return (Timer) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          final Var<Timer> timer = new Var();
          timer.set(new Timer(toInt(delay), new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent _evt) {
              try {
                AutoCloseable __1849 = tempActivity(r);
                try {
                  try {
                    if (!allPaused())
                      if (isFalse(callF(r)))
                        cancelTimer(timer.get());
                  } catch (Throwable __e) {
                    _handleException(__e);
                  }
                } finally {
                  _close(__1849);
                }
              } catch (Throwable __e) {
                messageBox(__e);
              }
            }
          }));
          timer.get().setInitialDelay(toInt(firstDelay));
          timer.get().setRepeats(repeats);
          bindTimerToComponent(timer.get(), component);
          return timer.get();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final new Var<Timer> timer;\r\n    timer.set(new Timer(toInt(delay), actionList...";
      }
    });
  }

  public static Timer installTimer(RootPaneContainer frame, long delay, long firstDelay, Object r) {
    return installTimer(frame.getRootPane(), delay, firstDelay, r);
  }

  public static boolean swic(String a, String b) {
    return startsWithIgnoreCase(a, b);
  }

  public static boolean swic(String a, String b, Matches m) {
    if (!swic(a, b))
      return false;
    m.m = new String[] { substring(a, l(b)) };
    return true;
  }

  public static boolean ewic(String a, String b) {
    return endsWithIgnoreCase(a, b);
  }

  public static boolean ewic(String a, String b, Matches m) {
    return endsWithIgnoreCase(a, b, m);
  }

  public static boolean containsNewLines(String s) {
    return containsNewLine(s);
  }

  public static String jlabel_textAsHTML_center(String text) {
    return "<html><div style=\"text-align: center;\">" + replace(htmlencode(text), "\n", "<br>") + "</div></html>";
  }

  public static boolean jmenuItem_newThreads = false;

  public static JMenuItem jmenuItem(final String text) {
    return jMenuItem(text, null);
  }

  public static JMenuItem jmenuItem(final String text, final Object r) {
    return swing(new F0<JMenuItem>() {

      public JMenuItem get() {
        try {
          Pair<String, Integer> p = jmenu_autoMnemonic(dropPrefix("[disabled] ", text));
          JMenuItem mi = new JMenuItem(p.a);
          if (startsWith(text, "[disabled] "))
            disableMenuItem(mi);
          if (p.b != 0)
            mi.setMnemonic(p.b);
          mi.addActionListener(jmenuItem_newThreads ? actionListenerInNewThread(r) : actionListener(r));
          return mi;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<S, Int> p = jmenu_autoMnemonic(dropPrefix(\"[disabled] \", text));\r\n    JM...";
      }
    });
  }

  public static MenuItem menuItem(String text, final Object r) {
    MenuItem mi = new MenuItem(text);
    mi.addActionListener(actionListener(r));
    return mi;
  }

  public static ThreadLocal<List<Object>> holdInstance_l = new ThreadLocal();

  public static AutoCloseable holdInstance(Object o) {
    if (o == null)
      return null;
    listThreadLocalAdd(holdInstance_l, o);
    return new AutoCloseable() {

      public void close() {
        listThreadLocalPopLast(holdInstance_l);
      }
    };
  }

  public static void messageBox(final String msg) {
    if (headless())
      print(msg);
    else {
      swing(new Runnable() {

        public void run() {
          try {
            JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES...";
        }
      });
    }
  }

  public static void messageBox(Throwable e) {
    printStackTrace(e);
    messageBox(hideCredentials(innerException2(e)));
  }

  public static Object nuObject(String className, Object... args) {
    try {
      return nuObject(classForName(className), args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObject(Class<A> c, Object... args) {
    try {
      if (args.length == 0)
        return nuObjectWithoutArguments(c);
      Constructor m = nuObject_findConstructor(c, args);
      m.setAccessible(true);
      return (A) m.newInstance(args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObject_findConstructor(Class c, Object... args) {
    for (Constructor m : c.getDeclaredConstructors()) {
      if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
        continue;
      return m;
    }
    throw fail("Constructor " + c.getName() + getClasses(args) + " not found" + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : ""));
  }

  public static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static Runnable _topLevelErrorHandling(final Runnable runnable) {
    final Object info = _threadInfo();
    return new Runnable() {

      public void run() {
        try {
          try {
            _threadInheritInfo(info);
            runnable.run();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcall {\r\n      _threadInheritInfo(info);\r\n      runnable.run();\r\n    }";
      }
    };
  }

  public static <A> WeakReference<A> weakRef(A a) {
    return newWeakReference(a);
  }

  public static boolean isAGIBlueDomain(String domain) {
    return domainIsUnder(domain, theAGIBlueDomain());
  }

  public static String hostNameFromURL(String url) {
    try {
      return new URL(url).getHost();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static volatile PersistableThrowable lastException_lastException;

  public static PersistableThrowable lastException() {
    return lastException_lastException;
  }

  public static void lastException(Throwable e) {
    lastException_lastException = persistableThrowable(e);
  }

  public static Object vmBus_wrapArgs(Object... args) {
    return empty(args) ? null : l(args) == 1 ? args[0] : args;
  }

  public static Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) {
        Object __707 = pcallF(f, args);
        if (__707 != null)
          return __707;
      }
    return null;
  }

  public static Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
    while (it.hasNext()) {
      Object __708 = pcallF(it.next(), args);
      if (__708 != null)
        return __708;
    }
    return null;
  }

  public static Set vm_busListeners_live_cache;

  public static Set vm_busListeners_live() {
    if (vm_busListeners_live_cache == null)
      vm_busListeners_live_cache = vm_busListeners_live_load();
    return vm_busListeners_live_cache;
  }

  public static Set vm_busListeners_live_load() {
    return vm_generalIdentityHashSet("busListeners");
  }

  public static Map<String, Set> vm_busListenersByMessage_live_cache;

  public static Map<String, Set> vm_busListenersByMessage_live() {
    if (vm_busListenersByMessage_live_cache == null)
      vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load();
    return vm_busListenersByMessage_live_cache;
  }

  public static Map<String, Set> vm_busListenersByMessage_live_load() {
    return vm_generalHashMap("busListenersByMessage");
  }

  public static String assertIsIdentifier(String s) {
    if (!isIdentifier(s))
      throw fail("Not an identifier: " + quote(s));
    return s;
  }

  public static String assertIsIdentifier(String msg, String s) {
    if (!isIdentifier(s))
      throw fail(msg + " - Not an identifier: " + quote(s));
    return s;
  }

  public static Map vm_generalMap_map;

  public static Map vm_generalMap() {
    if (vm_generalMap_map == null)
      vm_generalMap_map = (Map) get(javax(), "generalMap");
    return vm_generalMap_map;
  }

  public static boolean isInstance(Class type, Object arg) {
    return type.isInstance(arg);
  }

  public static String _userHome;

  public static String userHome() {
    if (_userHome == null)
      return actualUserHome();
    return _userHome;
  }

  public static File userHome(String path) {
    return new File(userDir(), path);
  }

  public static File newFile(File base, String... names) {
    for (String name : names) base = new File(base, name);
    return base;
  }

  public static File newFile(String name) {
    return name == null ? null : new File(name);
  }

  public static String fsI(String id) {
    return formatSnippetID(id);
  }

  public static String fsI(long id) {
    return formatSnippetID(id);
  }

  public static boolean isImageServerSnippet(long id) {
    return id >= 1100000 && id < 1200000;
  }

  public static String imageServerLink(String md5OrID) {
    if (possibleMD5(md5OrID))
      return "https://botcompany.de/images/md5/" + md5OrID;
    return imageServerLink(parseSnippetID(md5OrID));
  }

  public static String imageServerLink(long id) {
    return "https://botcompany.de/images/" + id;
  }

  public static Map<String, java.util.regex.Pattern> compileRegexp_cache = syncMRUCache(10);

  public static java.util.regex.Pattern compileRegexp(String pat) {
    java.util.regex.Pattern p = compileRegexp_cache.get(pat);
    if (p == null) {
      compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat));
    }
    return p;
  }

  public static boolean isCISet(Iterable<String> l) {
    return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
  }

  public static TreeSet<String> caseInsensitiveSet() {
    return caseInsensitiveSet_treeSet();
  }

  public static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
    return caseInsensitiveSet_treeSet(c);
  }

  public static List<String> toLinesFullTrim(String s) {
    List<String> l = new ArrayList();
    for (String line : toLines(s)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static List<String> toLinesFullTrim(File f) {
    List<String> l = new ArrayList();
    for (String line : linesFromFile(f)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static List<String> jsonTok(String s) {
    List<String> tok = new ArrayList();
    int l = l(s);
    int i = 0;
    while (i < l) {
      int j = i;
      char c;
      String cc;
      while (j < l) {
        c = s.charAt(j);
        cc = s.substring(j, Math.min(j + 2, l));
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (cc.equals("/*")) {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (cc.equals("//")) {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      tok.add(s.substring(i, j));
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isLetter(c))
        do ++j; while (j < l && Character.isLetter(s.charAt(j)));
      else if (Character.isDigit(c))
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      else
        ++j;
      tok.add(s.substring(i, j));
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    return tok;
  }

  public static String unquote(String s) {
    if (s == null)
      return null;
    if (startsWith(s, '[')) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i + 1, s.length() - i - 1);
      }
    }
    if (s.length() > 1) {
      char c = s.charAt(0);
      if (c == '\"' || c == '\'') {
        int l = endsWith(s, c) ? s.length() - 1 : s.length();
        StringBuilder sb = new StringBuilder(l - 1);
        for (int i = 1; i < l; i++) {
          char ch = s.charAt(i);
          if (ch == '\\') {
            char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
            if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                code += s.charAt(i + 1);
                i++;
                if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
            }
            switch(nextChar) {
              case '\"':
                ch = '\"';
                break;
              case '\\':
                ch = '\\';
                break;
              case 'b':
                ch = '\b';
                break;
              case 'f':
                ch = '\f';
                break;
              case 'n':
                ch = '\n';
                break;
              case 'r':
                ch = '\r';
                break;
              case 't':
                ch = '\t';
                break;
              case '\'':
                ch = '\'';
                break;
              case 'u':
                if (i >= l - 5) {
                  ch = 'u';
                  break;
                }
                int code = Integer.parseInt("" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16);
                sb.append(Character.toChars(code));
                i += 5;
                continue;
              default:
                ch = nextChar;
            }
            i++;
          }
          sb.append(ch);
        }
        return sb.toString();
      }
    }
    return s;
  }

  public static boolean isInteger(String s) {
    int n = l(s);
    if (n == 0)
      return false;
    int i = 0;
    if (s.charAt(0) == '-')
      if (++i >= n)
        return false;
    while (i < n) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static double parseDouble(String s) {
    return Double.parseDouble(s);
  }

  public static String quote(Object o) {
    if (o == null)
      return "null";
    return quote(str(o));
  }

  public static String quote(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5 + 2));
    quote_impl(s, out);
    return out.toString();
  }

  public static void quote_impl(String s, StringBuilder out) {
    out.append('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"')
        out.append('\\').append(c);
      else if (c == '\r')
        out.append("\\r");
      else if (c == '\n')
        out.append("\\n");
      else if (c == '\0')
        out.append("\\0");
      else
        out.append(c);
    }
    out.append('"');
  }

  public static String makePostData(Map<Object, Object> map) {
    StringBuilder buf = new StringBuilder();
    for (Map.Entry<Object, Object> e : map.entrySet()) {
      String key = (String) (e.getKey());
      Object val = e.getValue();
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  public static String makePostData(Object... params) {
    StringBuilder buf = new StringBuilder();
    int n = l(params);
    for (int i = 0; i + 1 < n; i += 2) {
      String key = (String) (params[i]);
      Object val = params[i + 1];
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  public static char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  public static <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

  public static char charAt(String s, int i) {
    return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0';
  }

  public static Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

  public static void _inheritThreadInfo(Object info) {
    _threadInheritInfo(info);
  }

  public static Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  public static String quickSubstring(String s, int i, int j) {
    if (i == j)
      return "";
    return s.substring(i, j);
  }

  public static boolean isEditableComboBox(final JComboBox cb) {
    return cb != null && swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return cb.isEditable();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret cb.isEditable();";
      }
    });
  }

  public static Font loadFont(String snippetID) {
    try {
      return loadFont(snippetID, 12f);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(InputStream in) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(String snippetID, float fontSize) {
    return loadFont(loadLibrary(snippetID), fontSize);
  }

  public static Font loadFont(File f, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, f).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(InputStream in, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int toInt(Object o) {
    if (o == null)
      return 0;
    if (o instanceof Number)
      return ((Number) o).intValue();
    if (o instanceof String)
      return parseInt((String) o);
    throw fail("woot not int: " + getClassName(o));
  }

  public static int toInt(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static AutoCloseable tempActivity(Object r) {
    return null;
  }

  public static boolean allPaused() {
    return ping_pauseAll;
  }

  public static void cancelTimer(javax.swing.Timer timer) {
    if (timer != null)
      timer.stop();
  }

  public static void cancelTimer(java.util.Timer timer) {
    if (timer != null)
      timer.cancel();
  }

  public static void cancelTimer(Object o) {
    if (o instanceof java.util.Timer)
      cancelTimer((java.util.Timer) o);
    else if (o instanceof javax.swing.Timer)
      cancelTimer((javax.swing.Timer) o);
    else if (o instanceof AutoCloseable) {
      try {
        ((AutoCloseable) o).close();
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  public static void bindTimerToComponent(final Timer timer, JFrame f) {
    bindTimerToComponent(timer, f.getRootPane());
  }

  public static void bindTimerToComponent(final Timer timer, JComponent c) {
    if (c.isShowing())
      timer.start();
    c.addAncestorListener(new AncestorListener() {

      public void ancestorAdded(AncestorEvent event) {
        timer.start();
      }

      public void ancestorRemoved(AncestorEvent event) {
        timer.stop();
      }

      public void ancestorMoved(AncestorEvent event) {
      }
    });
  }

  public static boolean startsWithIgnoreCase(String a, String b) {
    return regionMatchesIC(a, 0, b, 0, b.length());
  }

  public static boolean endsWithIgnoreCase(String a, String b) {
    int la = l(a), lb = l(b);
    return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb);
  }

  public static boolean endsWithIgnoreCase(String a, String b, Matches m) {
    if (!endsWithIgnoreCase(a, b))
      return false;
    m.m = new String[] { substring(a, 0, l(a) - l(b)) };
    return true;
  }

  public static boolean containsNewLine(String s) {
    return contains(s, '\n');
  }

  public static <A> List<A> replace(List<A> l, A a, A b) {
    for (int i = 0; i < l(l); i++) if (eq(l.get(i), a))
      l.set(i, b);
    return l;
  }

  public static String replace(String s, String a, String b) {
    return s == null ? null : a == null || b == null ? s : s.replace(a, b);
  }

  public static String replace(String s, char a, char b) {
    return s == null ? null : s.replace(a, b);
  }

  public static String htmlencode(Object o) {
    return htmlencode(str(o));
  }

  public static String htmlencode(String s) {
    if (s == null)
      return "";
    StringBuilder out = new StringBuilder(Math.max(16, s.length()));
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') {
        int cp = s.codePointAt(i);
        out.append("&#x");
        out.append(intToHex_flexLength(cp));
        out.append(';');
        i += Character.charCount(cp) - 1;
      } else
        out.append(c);
    }
    return out.toString();
  }

  public static JMenuItem jMenuItem(final String text) {
    return jmenuItem(text);
  }

  public static JMenuItem jMenuItem(String text, Object r) {
    return jmenuItem(text, r);
  }

  public static Pair<String, Integer> jmenu_autoMnemonic(String s) {
    int i = indexOf(s, '&');
    if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i + 1)))
      return pair(substring(s, 0, i) + substring(s, i + 1), (int) s.charAt(i + 1));
    return pair(s, 0);
  }

  public static JMenuItem disableMenuItem(final JMenuItem mi) {
    if (mi != null) {
      swing(new Runnable() {

        public void run() {
          try {
            mi.setEnabled(false);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "mi.setEnabled(false);";
        }
      });
    }
    return mi;
  }

  public static ActionListener actionListenerInNewThread(final Object runnable) {
    return actionListenerInNewThread(runnable, null);
  }

  public static ActionListener actionListenerInNewThread(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          startThread("Action Listener", new Runnable() {

            public void run() {
              try {
                AutoCloseable __1651 = holdInstance(instanceToHold);
                try {
                  callF(runnable);
                } finally {
                  _close(__1651);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "AutoCloseable __1651 = holdInstance(instanceToHold); try {\r\n      callF(runna...";
            }
          });
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
    List<A> l = tl.get();
    if (l == null)
      tl.set(l = new ArrayList());
    l.add(a);
  }

  public static <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
    List<A> l = tl.get();
    if (l == null)
      return null;
    A a = popLast(l);
    if (empty(l))
      tl.set(null);
    return a;
  }

  public static boolean headless() {
    return isHeadless();
  }

  public static <A extends Throwable> A printStackTrace(A e) {
    print(getStackTrace(e));
    return e;
  }

  public static void printStackTrace() {
    printStackTrace(new Throwable());
  }

  public static void printStackTrace(String msg) {
    printStackTrace(new Throwable(msg));
  }

  public static void printStackTrace(String msg, Throwable e) {
    printStackTrace(new Throwable(msg, e));
  }

  public static Map<String, Class> classForName_cache = synchroHashMap();

  public static Class classForName(String name) {
    try {
      if (classForName_cache == null)
        return Class.forName(name);
      Class c = classForName_cache.get(name);
      if (c == null)
        classForName_cache.put(name, c = Class.forName(name));
      return c;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

  public static Object nuObjectWithoutArguments(String className) {
    try {
      return nuObjectWithoutArguments(classForName(className));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObjectWithoutArguments(Class<A> c) {
    try {
      if (nuObjectWithoutArguments_cache == null)
        return (A) nuObjectWithoutArguments_findConstructor(c).newInstance();
      Constructor m = nuObjectWithoutArguments_cache.get(c);
      if (m == null)
        nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c));
      return (A) m.newInstance();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObjectWithoutArguments_findConstructor(Class c) {
    for (Constructor m : c.getDeclaredConstructors()) if (empty(m.getParameterTypes())) {
      m.setAccessible(true);
      return m;
    }
    throw fail("No default constructor found in " + c.getName());
  }

  public static List<Class> getClasses(Object[] array) {
    List<Class> l = new ArrayList();
    for (Object o : array) l.add(_getClass(o));
    return l;
  }

  public static <A> WeakReference<A> newWeakReference(A a) {
    return a == null ? null : new WeakReference(a);
  }

  public static boolean domainIsUnder(String domain, String mainDomain) {
    return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
  }

  public static String theAGIBlueDomain() {
    return "agi.blue";
  }

  public static String actualUserHome_value;

  public static String actualUserHome() {
    if (actualUserHome_value == null) {
      if (isAndroid())
        actualUserHome_value = "/storage/emulated/0/";
      else
        actualUserHome_value = System.getProperty("user.home");
    }
    return actualUserHome_value;
  }

  public static File actualUserHome(String sub) {
    return newFile(new File(actualUserHome()), sub);
  }

  public static File userDir() {
    return new File(userHome());
  }

  public static File userDir(String path) {
    return new File(userHome(), path);
  }

  public static boolean possibleMD5(String s) {
    return isMD5(s);
  }

  public static <A, B> Map<A, B> syncMRUCache(int size) {
    return synchroMap(new MRUCache(size));
  }

  public static TreeSet<String> caseInsensitiveSet_treeSet() {
    return new TreeSet(caseInsensitiveComparator());
  }

  public static TreeSet<String> caseInsensitiveSet_treeSet(Collection<String> c) {
    return toCaseInsensitiveSet_treeSet(c);
  }

  public static IterableIterator<String> toLines(File f) {
    return linesFromFile(f);
  }

  public static List<String> toLines(String s) {
    List<String> lines = new ArrayList<String>();
    if (s == null)
      return lines;
    int start = 0;
    while (true) {
      int i = toLines_nextLineBreak(s, start);
      if (i < 0) {
        if (s.length() > start)
          lines.add(s.substring(start));
        break;
      }
      lines.add(s.substring(start, i));
      if (s.charAt(i) == '\r' && i + 1 < s.length() && s.charAt(i + 1) == '\n')
        i += 2;
      else
        ++i;
      start = i;
    }
    return lines;
  }

  public static int toLines_nextLineBreak(String s, int start) {
    for (int i = start; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c == '\r' || c == '\n')
        return i;
    }
    return -1;
  }

  public static CloseableIterableIterator<String> linesFromFile(File f) {
    try {
      if (!f.exists())
        return emptyCloseableIterableIterator();
      if (ewic(f.getName(), ".gz"))
        return linesFromReader(utf8bufferedReader(newGZIPInputStream(f)));
      return linesFromReader(utf8bufferedReader(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static CloseableIterableIterator<String> linesFromFile(String path) {
    return linesFromFile(newFile(path));
  }

  public static boolean endsWith(String a, String b) {
    return a != null && a.endsWith(b);
  }

  public static boolean endsWith(String a, char c) {
    return nempty(a) && lastChar(a) == c;
  }

  public static boolean endsWith(String a, String b, Matches m) {
    if (!endsWith(a, b))
      return false;
    m.m = new String[] { dropLast(l(b), a) };
    return true;
  }

  public static String urlencode(String x) {
    try {
      return URLEncoder.encode(unnull(x), "UTF-8");
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

  public static char firstChar(String s) {
    return s.charAt(0);
  }

  public static Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  public static betterCIComparator_C betterCIComparator_instance;

  public static betterCIComparator_C betterCIComparator() {
    if (betterCIComparator_instance == null)
      betterCIComparator_instance = new betterCIComparator_C();
    return betterCIComparator_instance;
  }

  public static class betterCIComparator_C implements Comparator<String> {

    public int compare(String s1, String s2) {
      if (s1 == null)
        return s2 == null ? 0 : -1;
      if (s2 == null)
        return 1;
      int n1 = s1.length();
      int n2 = s2.length();
      int min = Math.min(n1, n2);
      for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
          c1 = Character.toUpperCase(c1);
          c2 = Character.toUpperCase(c2);
          if (c1 != c2) {
            c1 = Character.toLowerCase(c1);
            c2 = Character.toLowerCase(c2);
            if (c1 != c2) {
              return c1 - c2;
            }
          }
        }
      }
      return n1 - n2;
    }
  }

  public static File loadLibrary(String snippetID) {
    return loadBinarySnippet(snippetID);
  }

  public static int parseInt(String s) {
    return empty(s) ? 0 : Integer.parseInt(s);
  }

  public static int parseInt(char c) {
    return Integer.parseInt(str(c));
  }

  public static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  }

  public static boolean contains(Collection c, Object o) {
    return c != null && c.contains(o);
  }

  public static boolean contains(Object[] x, Object o) {
    if (x != null)
      for (Object a : x) if (eq(a, o))
        return true;
    return false;
  }

  public static boolean contains(String s, char c) {
    return s != null && s.indexOf(c) >= 0;
  }

  public static boolean contains(String s, String b) {
    return s != null && s.indexOf(b) >= 0;
  }

  public static boolean contains(BitSet bs, int i) {
    return bs != null && bs.get(i);
  }

  public static String intToHex_flexLength(int i) {
    return Integer.toHexString(i);
  }

  public static boolean isLetterOrDigit(char c) {
    return Character.isLetterOrDigit(c);
  }

  public static <A> A popLast(List<A> l) {
    return liftLast(l);
  }

  public static Map synchroHashMap() {
    return Collections.synchronizedMap(new HashMap());
  }

  public static Class<?> _getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class _getClass(Object o) {
    return o == null ? null : o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class _getClass(Object realm, String name) {
    try {
      return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static boolean isMD5(String s) {
    return l(s) == 32 && isLowerHexString(s);
  }

  public static Map synchroMap() {
    return synchroHashMap();
  }

  public static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
    return Collections.synchronizedMap(map);
  }

  public static TreeSet<String> toCaseInsensitiveSet_treeSet(Iterable<String> c) {
    if (isCISet(c))
      return (TreeSet) c;
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, c);
    return set;
  }

  public static TreeSet<String> toCaseInsensitiveSet_treeSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, x);
    return set;
  }

  public static CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() {

    public Object next() {
      throw fail();
    }

    public boolean hasNext() {
      return false;
    }
  };

  public static <A> CloseableIterableIterator<A> emptyCloseableIterableIterator() {
    return emptyCloseableIterableIterator_instance;
  }

  public static CloseableIterableIterator<String> linesFromReader(Reader r) {
    final BufferedReader br = bufferedReader(r);
    return iteratorFromFunction_f0_autoCloseable(new F0<String>() {

      public String get() {
        try {
          return readLineFromReaderWithClose(br);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret readLineFromReaderWithClose(br);";
      }
    }, _wrapIOCloseable(r));
  }

  public static BufferedReader utf8bufferedReader(InputStream in) {
    try {
      return bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static BufferedReader utf8bufferedReader(File f) {
    try {
      return utf8bufferedReader(newFileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream newGZIPInputStream(File f) {
    return gzInputStream(f);
  }

  public static GZIPInputStream newGZIPInputStream(InputStream in) {
    return gzInputStream(in);
  }

  public static char lastChar(String s) {
    return empty(s) ? '\0' : s.charAt(l(s) - 1);
  }

  public static String[] dropLast(String[] a, int n) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, 0, b, 0, b.length);
    return b;
  }

  public static <A> List<A> dropLast(List<A> l) {
    return subList(l, 0, l(l) - 1);
  }

  public static <A> List<A> dropLast(int n, List<A> l) {
    return subList(l, 0, l(l) - n);
  }

  public static <A> List<A> dropLast(Iterable<A> l) {
    return dropLast(asList(l));
  }

  public static String dropLast(String s) {
    return substring(s, 0, l(s) - 1);
  }

  public static String dropLast(String s, int n) {
    return substring(s, 0, l(s) - n);
  }

  public static String dropLast(int n, String s) {
    return dropLast(s, n);
  }

  public static File loadBinarySnippet(String snippetID) {
    try {
      IResourceLoader rl = vm_getResourceLoader();
      if (rl != null)
        return rl.loadLibrary(snippetID);
      long id = parseSnippetID(snippetID);
      if (isImageServerSnippet(id))
        return loadImageAsFile(snippetID);
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) == 0)
        f = loadDataSnippetToFile(snippetID);
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A liftLast(List<A> l) {
    if (l.isEmpty())
      return null;
    int i = l(l) - 1;
    A a = l.get(i);
    l.remove(i);
    return a;
  }

  public static Class<?> getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class getClass(Object o) {
    return o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class getClass(Object realm, String name) {
    try {
      try {
        return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
      } catch (ClassNotFoundException e) {
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String classNameToVM(String name) {
    return name.replace(".", "$");
  }

  public static boolean isLowerHexString(String s) {
    for (int i = 0; i < l(s); i++) {
      char c = s.charAt(i);
      if (c >= '0' && c <= '9' || c >= 'a' && c <= 'f') {
      } else
        return false;
    }
    return true;
  }

  public static BufferedReader bufferedReader(Reader r) {
    return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r), r);
  }

  public static <A> CloseableIterableIterator<A> iteratorFromFunction_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
    class IFF2 extends CloseableIterableIterator<A> {

      public A a;

      public boolean done = false;

      public boolean hasNext() {
        getNext();
        return !done;
      }

      public A next() {
        getNext();
        if (done)
          throw fail();
        A _a = a;
        a = null;
        return _a;
      }

      public void getNext() {
        if (done || a != null)
          return;
        a = f.get();
        done = a == null;
      }

      public void close() throws Exception {
        if (closeable != null)
          closeable.close();
      }
    }
    ;
    return new IFF2();
  }

  public static String readLineFromReaderWithClose(BufferedReader r) {
    try {
      String s = r.readLine();
      if (s == null)
        r.close();
      return s;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static AutoCloseable _wrapIOCloseable(final AutoCloseable c) {
    return c == null ? null : new AutoCloseable() {

      public String toString() {
        return "c.close();\r\n    _registerIO(c, null, false);";
      }

      public void close() throws Exception {
        c.close();
        _registerIO(c, null, false);
      }
    };
  }

  public static <A> A _registerIOWrap(A wrapper, Object wrapped) {
    return wrapper;
  }

  public static FileInputStream newFileInputStream(File path) throws IOException {
    return newFileInputStream(path.getPath());
  }

  public static FileInputStream newFileInputStream(String path) throws IOException {
    FileInputStream f = new FileInputStream(path);
    _registerIO(f, path, true);
    return f;
  }

  public static int gzInputStream_defaultBufferSize = 65536;

  public static GZIPInputStream gzInputStream(File f) {
    try {
      return gzInputStream(new FileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(File f, int bufferSize) {
    try {
      return gzInputStream(new FileInputStream(f), bufferSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(InputStream in) {
    return gzInputStream(in, gzInputStream_defaultBufferSize);
  }

  public static GZIPInputStream gzInputStream(InputStream in, int bufferSize) {
    try {
      return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File loadImageAsFile(String snippetIDOrURL) {
    try {
      if (isURL(snippetIDOrURL))
        throw fail("not implemented");
      if (!isSnippetID(snippetIDOrURL))
        throw fail("Not a URL or snippet ID: " + snippetIDOrURL);
      String snippetID = "" + parseSnippetID(snippetIDOrURL);
      File file = imageSnippetCacheFile(snippetID);
      if (fileSize(file) > 0)
        return file;
      String imageURL = snippetImageURL_noHttps(snippetID);
      System.err.println("Loading image: " + imageURL);
      byte[] data = loadBinaryPage(imageURL);
      saveBinaryFile(file, data);
      return file;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File DiskSnippetCache_file(long snippetID) {
    return new File(getGlobalCache(), "data_" + snippetID + ".jar");
  }

  public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
    File file = DiskSnippetCache_file(snippetID);
    return file.exists() ? file : null;
  }

  public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
    saveBinaryFile(DiskSnippetCache_file(snippetID), data);
  }

  public static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
    byte[] data;
    try {
      URL url = new URL(dataSnippetLink(snippetID));
      print("Loading library: " + hideCredentials(url));
      try {
        data = loadBinaryPage(url.openConnection());
      } catch (RuntimeException e) {
        data = null;
      }
      if (data == null || data.length == 0) {
        url = new URL("http://data.tinybrain.de/blobs/" + parseSnippetID(snippetID));
        print("Loading library: " + hideCredentials(url));
        data = loadBinaryPage(url.openConnection());
      }
      print("Bytes loaded: " + data.length);
    } catch (FileNotFoundException e) {
      throw new IOException("Binary snippet #" + snippetID + " not found or not public");
    }
    return data;
  }

  public static long fileSize(String path) {
    return getFileSize(path);
  }

  public static long fileSize(File f) {
    return getFileSize(f);
  }

  public static File loadDataSnippetToFile(String snippetID) {
    try {
      snippetID = fsI(snippetID);
      IResourceLoader rl = vm_getResourceLoader();
      if (rl != null)
        return rl.loadLibrary(snippetID);
      File f = DiskSnippetCache_file(parseSnippetID(snippetID));
      List<URL> urlsTried = new ArrayList();
      List<Throwable> errors = new ArrayList();
      try {
        URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID)));
        print("Loading library: " + hideCredentials(url));
        try {
          loadBinaryPageToFile(openConnection(url), f);
          if (fileSize(f) == 0)
            throw fail();
        } catch (Throwable e) {
          errors.add(e);
          url = addAndReturn(urlsTried, new URL("http://data.tinybrain.de/blobs/" + psI(snippetID)));
          print("Trying other server: " + hideCredentials(url));
          loadBinaryPageToFile(openConnection(url), f);
          print("Got bytes: " + fileSize(f));
        }
        if (fileSize(f) == 0)
          throw fail();
        System.err.println("Bytes loaded: " + fileSize(f));
      } catch (Throwable e) {
        errors.add(e);
        throw fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors));
      }
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void _registerIO(Object object, String path, boolean opened) {
  }

  public static File imageSnippetCacheFile(String snippetID) {
    File dir = imageSnippetsCacheDir();
    if (!loadBufferedImage_useImageCache)
      return null;
    return new File(dir, parseSnippetID(snippetID) + ".png");
  }

  public static String snippetImageURL_noHttps(String snippetID) {
    return snippetImageURL_noHttps(snippetID, "png");
  }

  public static String snippetImageURL_noHttps(String snippetID, String contentType) {
    return snippetImageURL(snippetID, contentType).replace("https://www.botcompany.de:8443/", "http://www.botcompany.de:8080/").replace("https://botcompany.de/", "http://botcompany.de/");
  }

  public static ThreadLocal<Map<String, List<String>>> loadBinaryPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadBinaryPage_extraHeaders = new ThreadLocal();

  public static byte[] loadBinaryPage(String url) {
    try {
      print("Loading " + url);
      return loadBinaryPage(loadPage_openConnection(new URL(url)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] loadBinaryPage(URLConnection con) {
    try {
      Map<String, String> extraHeaders = getAndClearThreadLocal(loadBinaryPage_extraHeaders);
      setHeaders(con);
      for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      return loadBinaryPage_noHeaders(con);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] loadBinaryPage_noHeaders(URLConnection con) {
    try {
      ByteArrayOutputStream buf = new ByteArrayOutputStream();
      InputStream inputStream = con.getInputStream();
      loadBinaryPage_responseHeaders.set(con.getHeaderFields());
      long len = 0;
      try {
        len = con.getContentLength();
      } catch (Throwable e) {
        printStackTrace(e);
      }
      int n = 0;
      while (true) {
        int ch = inputStream.read();
        if (ch < 0)
          break;
        buf.write(ch);
        if (++n % 100000 == 0)
          println("  " + n + (len != 0 ? "/" + len : "") + " bytes loaded.");
      }
      inputStream.close();
      return buf.toByteArray();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] saveBinaryFile(String fileName, byte[] contents) {
    try {
      File file = new File(fileName);
      File parentFile = file.getParentFile();
      if (parentFile != null)
        parentFile.mkdirs();
      String tempFileName = fileName + "_temp";
      FileOutputStream fileOutputStream = newFileOutputStream(tempFileName);
      fileOutputStream.write(contents);
      fileOutputStream.close();
      if (file.exists() && !file.delete())
        throw new IOException("Can't delete " + fileName);
      if (!new File(tempFileName).renameTo(file))
        throw new IOException("Can't rename " + tempFileName + " to " + fileName);
      vmBus_send("wroteFile", file);
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] saveBinaryFile(File fileName, byte[] contents) {
    return saveBinaryFile(fileName.getPath(), contents);
  }

  public static File getGlobalCache() {
    File file = new File(javaxCachesDir(), "Binary Snippets");
    file.mkdirs();
    return file;
  }

  public static String dataSnippetLink(String snippetID) {
    long id = parseSnippetID(snippetID);
    if (id >= 1100000 && id < 1200000)
      return imageServerURL() + id;
    if (id >= 1400000 && id < 1500000)
      return "http://butter.botcompany.de:8080/files/" + id + "?_pass=" + muricaPassword();
    if (id >= 1200000 && id < 1300000) {
      String pw = muricaPassword();
      if (empty(pw))
        throw fail("Please set 'murica password by running #1008829");
      return "http://butter.botcompany.de:8080/1008823/raw/" + id + "?_pass=" + pw;
    } else
      return "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=application/binary";
  }

  public static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.add(a);
    return a;
  }

  public static void loadBinaryPageToFile(String url, File file) {
    try {
      print("Loading " + url);
      loadBinaryPageToFile(openConnection(new URL(url)), file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void loadBinaryPageToFile(URLConnection con, File file) {
    try {
      setHeaders(con);
      loadBinaryPageToFile_noHeaders(con, file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) {
    try {
      File ftemp = new File(f2s(file) + "_temp");
      FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp));
      try {
        InputStream inputStream = con.getInputStream();
        long len = 0;
        try {
          len = con.getContentLength();
        } catch (Throwable e) {
          printStackTrace(e);
        }
        String pat = "  {*}" + (len != 0 ? "/" + len : "") + " bytes loaded.";
        copyStreamWithPrints(inputStream, buf, pat);
        inputStream.close();
        buf.close();
        file.delete();
        renameFile_assertTrue(ftemp, file);
      } finally {
        if (buf != null)
          buf.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static URLConnection openConnection(String url) {
    try {
      return openConnection(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static URLConnection openConnection(URL url) {
    try {
      ping();
      callOpt(javax(), "recordOpenURLConnection", str(url));
      return url.openConnection();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long psI(String snippetID) {
    return parseSnippetID(snippetID);
  }

  public static List<String> allToString(Iterable c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static List<String> allToString(Object[] c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static int loadPage_defaultTimeout = 60000;

  public static ThreadLocal<String> loadPage_charset = new ThreadLocal();

  public static boolean loadPage_allowGzip = true, loadPage_debug;

  public static boolean loadPage_anonymous = false;

  public static int loadPage_verboseness = 100000;

  public static int loadPage_retries = 1;

  public static ThreadLocal<Boolean> loadPage_silent = new ThreadLocal();

  public static volatile int loadPage_forcedTimeout;

  public static ThreadLocal<Integer> loadPage_forcedTimeout_byThread = new ThreadLocal();

  public static ThreadLocal<Map<String, List<String>>> loadPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadPage_extraHeaders = new ThreadLocal();

  public static String loadPageSilently(String url) {
    try {
      return loadPageSilently(new URL(loadPage_preprocess(url)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPageSilently(URL url) {
    try {
      if (url.getProtocol().equals("https"))
        disableCertificateValidation();
      if (!networkAllowanceTest(str(url)))
        throw fail("Not allowed: " + url);
      IOException e = null;
      for (int tries = 0; tries < loadPage_retries; tries++) try {
        URLConnection con = loadPage_openConnection(url);
        return loadPage(con, url);
      } catch (IOException _e) {
        e = _e;
        if (loadPageThroughProxy_enabled) {
          print("Trying proxy because of: " + e);
          try {
            return loadPageThroughProxy(str(url));
          } catch (Throwable e2) {
            print("  " + exceptionToStringShort(e2));
          }
        } else if (loadPage_debug)
          print(exceptionToStringShort(e));
        if (tries < loadPage_retries - 1)
          sleepSeconds(1);
      }
      throw e;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPage_preprocess(String url) {
    if (url.startsWith("tb/"))
      url = tb_mainServer() + "/" + url;
    if (url.indexOf("://") < 0)
      url = "http://" + url;
    return url;
  }

  public static String loadPage(String url) {
    try {
      url = loadPage_preprocess(url);
      if (!isTrue(loadPage_silent.get()))
        printWithTime("Loading: " + hideCredentials(url));
      return loadPageSilently(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPage(URL url) {
    return loadPage(url.toExternalForm());
  }

  public static String loadPage(URLConnection con, URL url) throws IOException {
    return loadPage(con, url, true);
  }

  public static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
    Map<String, String> extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders);
    if (addHeaders)
      try {
        if (!loadPage_anonymous)
          setHeaders(con);
        if (loadPage_allowGzip)
          con.setRequestProperty("Accept-Encoding", "gzip");
        con.setRequestProperty("X-No-Cookies", "1");
        for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      } catch (Throwable e) {
      }
    vm_generalSubMap("URLConnection per thread").put(currentThread(), con);
    loadPage_responseHeaders.set(con.getHeaderFields());
    InputStream in = null;
    try {
      in = urlConnection_getInputStream(con);
      if (loadPage_debug)
        print("Put stream in map: " + currentThread());
      String contentType = con.getContentType();
      if (contentType == null) {
        throw new IOException("Page could not be read: " + hideCredentials(url));
      }
      String charset = loadPage_charset == null ? null : loadPage_charset.get();
      if (charset == null)
        charset = loadPage_guessCharset(contentType);
      if ("gzip".equals(con.getContentEncoding())) {
        if (loadPage_debug)
          print("loadPage: Using gzip.");
        in = newGZIPInputStream(in);
      }
      Reader r;
      try {
        r = new InputStreamReader(in, unquote(charset));
      } catch (UnsupportedEncodingException e) {
        print(toHex(utf8(charset)));
        throw e;
      }
      StringBuilder buf = new StringBuilder();
      int n = 0;
      while (true) {
        int ch = r.read();
        if (ch < 0)
          break;
        buf.append((char) ch);
        ++n;
        if ((n % loadPage_verboseness) == 0)
          print("  " + n + " chars read");
      }
      return buf.toString();
    } finally {
      if (loadPage_debug)
        print("loadPage done");
      vm_generalSubMap("URLConnection per thread").remove(currentThread());
      if (in != null)
        in.close();
    }
  }

  public static String loadPage_guessCharset(String contentType) {
    Matcher m = regexpMatcher("text/[a-z]+;\\s*charset=([^\\s]+)\\s*", contentType);
    String match = m.matches() ? m.group(1) : null;
    if (loadPage_debug)
      print("loadPage: contentType=" + contentType + ", match: " + match);
    return or(match, "UTF-8");
  }

  public static URLConnection loadPage_openConnection(URL url) {
    URLConnection con = openConnection(url);
    int timeout = toInt(loadPage_forcedTimeout_byThread.get());
    if (timeout == 0)
      timeout = loadPage_forcedTimeout;
    if (timeout != 0)
      setURLConnectionTimeouts(con, loadPage_forcedTimeout);
    else
      setURLConnectionDefaultTimeouts(con, loadPage_defaultTimeout);
    return con;
  }

  public static <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
    A a = tl.get();
    tl.set(null);
    return a;
  }

  public static void setHeaders(URLConnection con) throws IOException {
    String computerID = getComputerID_quick();
    if (computerID != null)
      try {
        con.setRequestProperty("X-ComputerID", computerID);
        con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version"));
      } catch (Throwable e) {
      }
  }

  public static <A> A println(A a) {
    return print(a);
  }

  public static FileOutputStream newFileOutputStream(File path) throws IOException {
    return newFileOutputStream(path.getPath());
  }

  public static FileOutputStream newFileOutputStream(String path) throws IOException {
    return newFileOutputStream(path, false);
  }

  public static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
    return newFileOutputStream(path.getPath(), append);
  }

  public static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
    mkdirsForFile(path);
    FileOutputStream f = new FileOutputStream(path, append);
    _registerIO(f, path, true);
    return f;
  }

  public static void vmBus_send(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    pcallFAll(vm_busListeners_live(), msg, arg);
    pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static void vmBus_send(String msg) {
    vmBus_send(msg, (Object) null);
  }

  public static String imageServerURL() {
    return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/");
  }

  public static volatile boolean muricaPassword_pretendNotAuthed = false;

  public static String muricaPassword() {
    if (muricaPassword_pretendNotAuthed)
      return null;
    return trim(loadTextFile(muricaPasswordFile()));
  }

  public static String f2s(File f) {
    return f == null ? null : f.getAbsolutePath();
  }

  public static String f2s(java.nio.file.Path p) {
    return p == null ? null : f2s(p.toFile());
  }

  public static File mkdirsFor(File file) {
    return mkdirsForFile(file);
  }

  public static void copyStreamWithPrints(InputStream in, OutputStream out, String pat) {
    try {
      byte[] buf = new byte[65536];
      int total = 0;
      while (true) {
        int n = in.read(buf);
        if (n <= 0)
          return;
        out.write(buf, 0, n);
        if ((total + n) / 100000 > total / 100000)
          print(pat.replace("{*}", str(roundDownTo(total, 100000))));
        total += n;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void renameFile_assertTrue(File a, File b) {
    try {
      if (!a.exists())
        throw fail("Source file not found: " + f2s(a));
      if (b.exists())
        throw fail("Target file exists: " + f2s(b));
      mkdirsForFile(b);
      if (!a.renameTo(b))
        throw fail("Can't rename " + f2s(a) + " to " + f2s(b));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean networkAllowanceTest(String url) {
    return isAllowed("networkAllowanceTest", url);
  }

  public static final boolean loadPageThroughProxy_enabled = false;

  public static String loadPageThroughProxy(String url) {
    return null;
  }

  public static String exceptionToStringShort(Throwable e) {
    lastException(e);
    e = getInnerException(e);
    String msg = hideCredentials(unnull(e.getMessage()));
    if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
      return baseClassName(e) + prependIfNempty(": ", msg);
    else
      return msg;
  }

  public static void sleepSeconds(double s) {
    if (s > 0)
      sleep(round(s * 1000));
  }

  public static String tb_mainServer_default = "http://code.botcompany.de:8081";

  public static Object tb_mainServer_override;

  public static String tb_mainServer() {
    if (tb_mainServer_override != null)
      return (String) callF(tb_mainServer_override);
    return trim(loadTextFile(tb_mainServer_file(), tb_mainServer_default));
  }

  public static File tb_mainServer_file() {
    return getProgramFile("#1001638", "mainserver.txt");
  }

  public static boolean tb_mainServer_isDefault() {
    return eq(tb_mainServer(), tb_mainServer_default);
  }

  public static <A> A printWithTime(A a) {
    print(hmsWithColons() + ": " + a);
    return a;
  }

  public static Map vm_generalSubMap(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Map map = (Map) (vm_generalMap_get(name));
      if (map == null)
        vm_generalMap_put(name, map = synchroMap());
      return map;
    }
  }

  public static InputStream urlConnection_getInputStream(URLConnection con) throws IOException {
    UnknownHostException lastException = null;
    for (int _repeat_638 = 0; _repeat_638 < 2; _repeat_638++) {
      try {
        if (con instanceof HttpURLConnection)
          if (((HttpURLConnection) con).getResponseCode() == 500)
            throw new IOException(joinNemptiesWithColonSpace("Server code 500", tryToReadErrorStreamFromURLConnection(((HttpURLConnection) con))));
        return con.getInputStream();
      } catch (UnknownHostException e) {
        lastException = e;
        print("Retrying because of: " + e);
        continue;
      }
    }
    throw lastException;
  }

  public static String toHex(byte[] bytes) {
    return bytesToHex(bytes);
  }

  public static String toHex(byte[] bytes, int ofs, int len) {
    return bytesToHex(bytes, ofs, len);
  }

  public static byte[] utf8(String s) {
    return toUtf8(s);
  }

  public static URLConnection setURLConnectionTimeouts(URLConnection con, long timeout) {
    con.setConnectTimeout(toInt(timeout));
    con.setReadTimeout(toInt(timeout));
    if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout)
      print("Warning: Timeouts not set by JDK.");
    return con;
  }

  public static URLConnection setURLConnectionDefaultTimeouts(URLConnection con, long timeout) {
    if (con.getConnectTimeout() == 0) {
      con.setConnectTimeout(toInt(timeout));
      if (con.getConnectTimeout() != timeout)
        print("Warning: URL connect timeout not set by JDK.");
    }
    if (con.getReadTimeout() == 0) {
      con.setReadTimeout(toInt(timeout));
      if (con.getReadTimeout() != timeout)
        print("Warning: URL read timeout not set by JDK.");
    }
    return con;
  }

  public static String getComputerID_quick() {
    return computerID();
  }

  public static File mkdirsForFile(File file) {
    File dir = file.getParentFile();
    if (dir != null) {
      dir.mkdirs();
      if (!dir.isDirectory())
        if (dir.isFile())
          throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
        else
          throw fail("Unknown IO exception during mkdirs of " + f2s(file));
    }
    return file;
  }

  public static String mkdirsForFile(String path) {
    mkdirsForFile(new File(path));
    return path;
  }

  public static void pcallFAll(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) pcallF(f, args);
  }

  public static void pcallFAll(Iterator it, Object... args) {
    while (it.hasNext()) pcallF(it.next(), args);
  }

  public static String loadTextFile(String fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(File f, String defaultContents) {
    try {
      checkFileNotTooBigToRead(f);
      if (f == null || !f.exists())
        return defaultContents;
      FileInputStream fileInputStream = new FileInputStream(f);
      InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
      return loadTextFile(inputStreamReader);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFile(File fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(String fileName, String defaultContents) {
    return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents);
  }

  public static String loadTextFile(Reader reader) throws IOException {
    StringBuilder builder = new StringBuilder();
    try {
      char[] buffer = new char[1024];
      int n;
      while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n);
    } finally {
      reader.close();
    }
    return str(builder);
  }

  public static File javaxDataDir_dir;

  public static File javaxDataDir() {
    return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
  }

  public static File javaxDataDir(String... subs) {
    return newFile(javaxDataDir(), subs);
  }

  public static File muricaPasswordFile() {
    return new File(javaxSecretDir(), "murica/muricaPasswordFile");
  }

  public static int roundDownTo(int x, int n) {
    return x / n * n;
  }

  public static long roundDownTo(long x, long n) {
    return x / n * n;
  }

  public static volatile Object isAllowed_function;

  public static volatile boolean isAllowed_all = true;

  public static boolean isAllowed(String askingMethod, Object... args) {
    Object f = vm_generalMap_get("isAllowed_function");
    if (f != null && !isTrue(callF(f, askingMethod, args)))
      return false;
    return isAllowed_all || isTrue(callF(isAllowed_function, askingMethod, args));
  }

  public static String baseClassName(String className) {
    return substring(className, className.lastIndexOf('.') + 1);
  }

  public static String baseClassName(Object o) {
    return baseClassName(getClassName(o));
  }

  public static String prependIfNempty(String prefix, String s) {
    return empty(s) ? s : prefix + s;
  }

  public static volatile boolean sleep_noSleep = false;

  public static void sleep(long ms) {
    ping();
    if (ms < 0)
      return;
    if (isAWTThread() && ms > 100)
      throw fail("Should not sleep on AWT thread");
    try {
      Thread.sleep(ms);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static void sleep() {
    try {
      if (sleep_noSleep)
        throw fail("nosleep");
      print("Sleeping.");
      sleepQuietly();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long round(double d) {
    return Math.round(d);
  }

  public static File getProgramFile(String progID, String fileName) {
    if (new File(fileName).isAbsolute())
      return new File(fileName);
    return new File(getProgramDir(progID), fileName);
  }

  public static File getProgramFile(String fileName) {
    return getProgramFile(getProgramID(), fileName);
  }

  public static String hmsWithColons() {
    return hmsWithColons(now());
  }

  public static String hmsWithColons(long time) {
    return new SimpleDateFormat("HH:mm:ss").format(time);
  }

  public static Object vm_generalMap_put(Object key, Object value) {
    return mapPutOrRemove(vm_generalMap(), key, value);
  }

  public static String joinNemptiesWithColonSpace(String... strings) {
    return joinNempties(": ", strings);
  }

  public static String joinNemptiesWithColonSpace(Collection<String> strings) {
    return joinNempties(": ", strings);
  }

  public static String tryToReadErrorStreamFromURLConnection(URLConnection conn) {
    try {
      if (conn instanceof HttpURLConnection)
        return stream2string(((HttpURLConnection) conn).getErrorStream());
      return null;
    } catch (Throwable __e) {
      return null;
    }
  }

  public static byte[] toUtf8(String s) {
    try {
      return s.getBytes("UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String _computerID;

  public static Lock computerID_lock = lock();

  public static String computerID() {
    if (_computerID == null) {
      Lock __896 = computerID_lock;
      lock(__896);
      try {
        if (_computerID != null)
          return _computerID;
        File file = computerIDFile();
        _computerID = loadTextFile(file.getPath());
        if (_computerID == null) {
          _computerID = loadTextFile(userDir(".tinybrain/computer-id"));
          if (_computerID == null)
            _computerID = makeRandomID(12, new SecureRandom());
          saveTextFile(file, _computerID);
        }
      } finally {
        unlock(__896);
      }
    }
    return _computerID;
  }

  public static ThreadLocal<VF1<File>> checkFileNotTooBigToRead_tl = new ThreadLocal();

  public static void checkFileNotTooBigToRead(File f) {
    callF(checkFileNotTooBigToRead_tl.get(), f);
  }

  public static File javaxSecretDir_dir;

  public static File javaxSecretDir() {
    return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret");
  }

  public static File javaxSecretDir(String sub) {
    return newFile(javaxSecretDir(), sub);
  }

  public static Object sleepQuietly_monitor = new Object();

  public static void sleepQuietly() {
    try {
      assertFalse(isAWTThread());
      synchronized (sleepQuietly_monitor) {
        sleepQuietly_monitor.wait();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File getProgramDir() {
    return programDir();
  }

  public static File getProgramDir(String snippetID) {
    return programDir(snippetID);
  }

  public static long now_virtualTime;

  public static long now() {
    return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
  }

  public static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
    if (map != null && key != null)
      if (value != null)
        return map.put(key, value);
      else
        return map.remove(key);
    return null;
  }

  public static String joinNempties(String sep, String... strings) {
    return joinStrings(sep, strings);
  }

  public static String joinNempties(String sep, Collection<String> strings) {
    return joinStrings(sep, strings);
  }

  public static String stream2string(InputStream in) {
    return utf8streamToString(in);
  }

  public static void lock(Lock lock) {
    try {
      ping();
      if (lock == null)
        return;
      try {
        lock.lockInterruptibly();
      } catch (InterruptedException e) {
        print("Locking interrupted! I probably deadlocked, oops.");
        printStackTrace(e);
        rethrow(e);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void lock(Lock lock, String msg) {
    print("Locking: " + msg);
    lock(lock);
  }

  public static void lock(Lock lock, String msg, long timeout) {
    print("Locking: " + msg);
    lockOrFail(lock, timeout);
  }

  public static ReentrantLock lock() {
    return fairLock();
  }

  public static File computerIDFile() {
    return javaxDataDir("Basic Info/computer-id.txt");
  }

  public static String makeRandomID(int length) {
    return makeRandomID(length, defaultRandomGenerator());
  }

  public static String makeRandomID(int length, Random random) {
    char[] id = new char[length];
    for (int i = 0; i < id.length; i++) id[i] = (char) ((int) 'a' + random.nextInt(26));
    return new String(id);
  }

  public static String makeRandomID(Random r, int length) {
    return makeRandomID(length, r);
  }

  public static File saveTextFile(String fileName, String contents) throws IOException {
    CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)");
    try {
      File file = new File(fileName);
      mkdirsForFile(file);
      String tempFileName = fileName + "_temp";
      File tempFile = new File(tempFileName);
      if (contents != null) {
        if (tempFile.exists())
          try {
            String saveName = tempFileName + ".saved." + now();
            copyFile(tempFile, new File(saveName));
          } catch (Throwable e) {
            printStackTrace(e);
          }
        FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
        PrintWriter printWriter = new PrintWriter(outputStreamWriter);
        printWriter.print(contents);
        printWriter.close();
      }
      if (file.exists() && !file.delete())
        throw new IOException("Can't delete " + fileName);
      if (contents != null)
        if (!tempFile.renameTo(file))
          throw new IOException("Can't rename " + tempFile + " to " + file);
      vmBus_send("wroteFile", file);
      return file;
    } finally {
      action.done();
    }
  }

  public static File saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
      return fileName;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void unlock(Lock lock, String msg) {
    if (lock == null)
      return;
    print("Unlocking: " + msg);
    lock.unlock();
  }

  public static void unlock(Lock lock) {
    if (lock == null)
      return;
    lock.unlock();
  }

  public static void assertFalse(Object o) {
    if (!(eq(o, false)))
      throw fail(str(o));
  }

  public static boolean assertFalse(boolean b) {
    if (b)
      throw fail("oops");
    return b;
  }

  public static boolean assertFalse(String msg, boolean b) {
    if (b)
      throw fail(msg);
    return b;
  }

  public static File programDir_mine;

  public static File programDir() {
    return programDir(getProgramID());
  }

  public static File programDir(String snippetID) {
    boolean me = sameSnippetID(snippetID, programID());
    if (programDir_mine != null && me)
      return programDir_mine;
    File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID));
    if (me) {
      String c = caseID();
      if (nempty(c))
        dir = newFile(dir, c);
    }
    return dir;
  }

  public static File programDir(String snippetID, String subPath) {
    return new File(programDir(snippetID), subPath);
  }

  public static String joinStrings(String sep, String... strings) {
    return joinStrings(sep, Arrays.asList(strings));
  }

  public static String joinStrings(String sep, Collection<String> strings) {
    StringBuilder buf = new StringBuilder();
    for (String s : unnull(strings)) if (nempty(s)) {
      if (nempty(buf))
        buf.append(sep);
      buf.append(s);
    }
    return str(buf);
  }

  public static String utf8streamToString(InputStream in) {
    return readerToString(utf8bufferedReader(in));
  }

  public static void lockOrFail(Lock lock, long timeout) {
    try {
      ping();
      if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
        String s = "Couldn't acquire lock after " + timeout + " ms.";
        if (lock instanceof ReentrantLock) {
          ReentrantLock l = (ReentrantLock) lock;
          s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
        }
        throw fail(s);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ReentrantLock fairLock() {
    return new ReentrantLock(true);
  }

  public static Random defaultRandomGenerator() {
    return ThreadLocalRandom.current();
  }

  public static List<CriticalAction> beginCriticalAction_inFlight = synchroList();

  public static class CriticalAction {

    public String description;

    public CriticalAction() {
    }

    public CriticalAction(String description) {
      this.description = description;
    }

    public void done() {
      beginCriticalAction_inFlight.remove(this);
    }
  }

  public static CriticalAction beginCriticalAction(String description) {
    ping();
    CriticalAction c = new CriticalAction(description);
    beginCriticalAction_inFlight.add(c);
    return c;
  }

  public static void cleanMeUp_beginCriticalAction() {
    int n = 0;
    while (nempty(beginCriticalAction_inFlight)) {
      int m = l(beginCriticalAction_inFlight);
      if (m != n) {
        n = m;
        try {
          print("Waiting for " + n2(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description")));
        } catch (Throwable __e) {
          _handleException(__e);
        }
      }
      sleepInCleanUp(10);
    }
  }

  public static void copyFile(File src, File dest) {
    try {
      FileInputStream inputStream = new FileInputStream(src.getPath());
      FileOutputStream outputStream = newFileOutputStream(dest.getPath());
      try {
        copyStream(inputStream, outputStream);
        inputStream.close();
      } finally {
        outputStream.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

  public static volatile String caseID_caseID;

  public static String caseID() {
    return caseID_caseID;
  }

  public static void caseID(String id) {
    caseID_caseID = id;
  }

  public static String readerToString(Reader r) {
    try {
      try {
        StringBuilder buf = new StringBuilder();
        int n = 0;
        while (true) {
          int ch = r.read();
          if (ch < 0)
            break;
          buf.append((char) ch);
          ++n;
        }
        return buf.toString();
      } finally {
        r.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List collect(Collection c, String field) {
    return collectField(c, field);
  }

  public static List collect(String field, Collection c) {
    return collectField(c, field);
  }

  public static void sleepInCleanUp(long ms) {
    try {
      if (ms < 0)
        return;
      Thread.sleep(ms);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void copyStream(InputStream in, OutputStream out) {
    try {
      byte[] buf = new byte[65536];
      while (true) {
        int n = in.read(buf);
        if (n <= 0)
          return;
        out.write(buf, 0, n);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List collectField(Collection c, String field) {
    List l = new ArrayList();
    if (c != null)
      for (Object a : c) l.add(getOpt(a, field));
    return l;
  }

  public static List collectField(String field, Collection c) {
    return collectField(c, field);
  }

  public static class JSection extends SingleComponentPanel {

    public JSection(Component c) {
      super(c);
    }

    public String getTitle() {
      Border border = getBorder();
      if (border instanceof TitledBorder)
        return ((TitledBorder) border).getTitle();
      return null;
    }
  }

  public static class Var<A> implements IVar<A> {

    public Var() {
    }

    public Var(A v) {
      this.v = v;
    }

    public A v;

    public synchronized void set(A a) {
      if (v != a) {
        v = a;
        notifyAll();
      }
    }

    public synchronized A get() {
      return v;
    }

    public synchronized boolean has() {
      return v != null;
    }

    public synchronized void clear() {
      v = null;
    }

    public String toString() {
      return str(get());
    }
  }

  public static class BoxBlurFilter extends AbstractBufferedImageOp implements IF1<BufferedImage, BufferedImage> {

    public int hRadius;

    public int vRadius;

    public int iterations = 1;

    public BoxBlurFilter() {
    }

    public BoxBlurFilter(int radius) {
      hRadius = vRadius = radius;
    }

    public BoxBlurFilter(int hRadius, int vRadius) {
      this.vRadius = vRadius;
      this.hRadius = hRadius;
    }

    public BufferedImage get(BufferedImage src) {
      return filter(src, null);
    }

    public BufferedImage filter(BufferedImage src, BufferedImage dst) {
      int width = src.getWidth();
      int height = src.getHeight();
      if (dst == null)
        dst = createCompatibleDestImage(src, null);
      int[] inPixels = new int[width * height];
      int[] outPixels = new int[width * height];
      getRGB(src, 0, 0, width, height, inPixels);
      for (int i = 0; i < iterations; i++) {
        blur(inPixels, outPixels, width, height, hRadius);
        blur(outPixels, inPixels, height, width, vRadius);
      }
      setRGB(dst, 0, 0, width, height, inPixels);
      return dst;
    }

    public static void blur(int[] in, int[] out, int width, int height, int radius) {
      int widthMinus1 = width - 1;
      int tableSize = 2 * radius + 1;
      int[] divide = new int[256 * tableSize];
      for (int i = 0; i < 256 * tableSize; i++) divide[i] = i / tableSize;
      int inIndex = 0;
      for (int y = 0; y < height; y++) {
        int outIndex = y;
        int ta = 0, tr = 0, tg = 0, tb = 0;
        for (int i = -radius; i <= radius; i++) {
          int rgb = in[inIndex + clamp(i, 0, width - 1)];
          ta += (rgb >> 24) & 0xff;
          tr += (rgb >> 16) & 0xff;
          tg += (rgb >> 8) & 0xff;
          tb += rgb & 0xff;
        }
        for (int x = 0; x < width; x++) {
          out[outIndex] = (divide[ta] << 24) | (divide[tr] << 16) | (divide[tg] << 8) | divide[tb];
          int i1 = x + radius + 1;
          if (i1 > widthMinus1)
            i1 = widthMinus1;
          int i2 = x - radius;
          if (i2 < 0)
            i2 = 0;
          int rgb1 = in[inIndex + i1];
          int rgb2 = in[inIndex + i2];
          ta += ((rgb1 >> 24) & 0xff) - ((rgb2 >> 24) & 0xff);
          tr += ((rgb1 & 0xff0000) - (rgb2 & 0xff0000)) >> 16;
          tg += ((rgb1 & 0xff00) - (rgb2 & 0xff00)) >> 8;
          tb += (rgb1 & 0xff) - (rgb2 & 0xff);
          outIndex += height;
        }
        inIndex += width;
      }
    }
  }

  public abstract static class IterableIterator<A> implements Iterator<A>, Iterable<A> {

    public Iterator<A> iterator() {
      return this;
    }

    public void remove() {
      unsupportedOperation();
    }
  }

  public static class MinimumFilter extends WholeImageFilter {

    public int hRadius;

    public int vRadius;

    public MinimumFilter() {
      this(1);
    }

    public MinimumFilter(int radius) {
      hRadius = vRadius = radius;
    }

    public MinimumFilter(int hRadius, int vRadius) {
      this.vRadius = vRadius;
      this.hRadius = hRadius;
    }

    public int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace) {
      int index = 0;
      int[] outPixels = new int[width * height];
      int y1 = -vRadius / 2, y2 = y1 + vRadius;
      int x1 = -hRadius / 2, x2 = x1 + hRadius;
      for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
          int pixel = 0xffffffff;
          for (int dy = y1; dy <= y2; dy++) {
            int iy = y + dy;
            int ioffset;
            if (0 <= iy && iy < height) {
              ioffset = iy * width;
              for (int dx = x1; dx <= x2; dx++) {
                int ix = x + dx;
                if (0 <= ix && ix < width) {
                  pixel = PixelUtils.combinePixels(pixel, inPixels[ioffset + ix], PixelUtils.MIN);
                }
              }
            }
          }
          outPixels[index++] = pixel;
        }
      }
      return outPixels;
    }
  }

  public static class MRUCache<A, B> extends LinkedHashMap<A, B> {

    public int maxSize = 10;

    public MRUCache() {
    }

    public MRUCache(int maxSize) {
      this.maxSize = maxSize;
    }

    public boolean removeEldestEntry(Map.Entry eldest) {
      return size() > maxSize;
    }

    public Object _serialize() {
      return ll(maxSize, cloneLinkedHashMap(this));
    }

    public void _deserialize(List l) {
      maxSize = (int) first(l);
      putAll((LinkedHashMap) second(l));
    }
  }

  public static interface IF0<A> {

    public A get();
  }

  public abstract static class CloseableIterableIterator<A> extends IterableIterator<A> implements AutoCloseable {

    public void close() throws Exception {
    }
  }

  public static interface IF2<A, B, C> {

    public C get(A a, B b);
  }

  public static interface Producer<A> {

    public A next();
  }

  public static interface IResourceLoader {

    public String loadSnippet(String snippetID);

    public String getTranspiled(String snippetID);

    public int getSnippetType(String snippetID);

    public String getSnippetTitle(String snippetID);

    public File loadLibrary(String snippetID);

    public File pathToJavaXJar();

    public File getSnippetJar(String snippetID, String transpiledSrc);
  }

  public static class Scored<A> extends Var<A> {

    public float score;

    public Scored() {
    }

    public Scored(A a, float score) {
      super(a);
      this.score = score;
    }

    public float score() {
      return score;
    }

    public String toString() {
      return toIntPercent(score) + "%: " + str(get());
    }
  }

  public static class HashedByteArray {

    public byte[] data;

    public int hashCode;

    public HashedByteArray() {
    }

    public HashedByteArray(byte[] data) {
      this.data = data;
    }

    public int hashCode() {
      if (hashCode == 0)
        hashCode = oneIfZero(arrayHashCode(data));
      return hashCode;
    }

    public boolean equals(Object o) {
      if (o instanceof HashedByteArray)
        return this == ((HashedByteArray) o) || hashCode() == ((HashedByteArray) o).hashCode() && byteArraysEqual(data, ((HashedByteArray) o).data);
      return false;
    }

    public String toString() {
      return bytesToHex(data);
    }
  }

  public abstract static class AbstractBufferedImageOp implements BufferedImageOp, Cloneable {

    public BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel dstCM) {
      if (dstCM == null)
        dstCM = src.getColorModel();
      return new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(src.getWidth(), src.getHeight()), dstCM.isAlphaPremultiplied(), null);
    }

    public Rectangle2D getBounds2D(BufferedImage src) {
      return new Rectangle(0, 0, src.getWidth(), src.getHeight());
    }

    public Point2D getPoint2D(Point2D srcPt, Point2D dstPt) {
      if (dstPt == null)
        dstPt = new Point2D.Double();
      dstPt.setLocation(srcPt.getX(), srcPt.getY());
      return dstPt;
    }

    public RenderingHints getRenderingHints() {
      return null;
    }

    public int[] getRGB(BufferedImage image, int x, int y, int width, int height, int[] pixels) {
      int type = image.getType();
      if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB)
        return (int[]) image.getRaster().getDataElements(x, y, width, height, pixels);
      return image.getRGB(x, y, width, height, pixels, 0, width);
    }

    public void setRGB(BufferedImage image, int x, int y, int width, int height, int[] pixels) {
      int type = image.getType();
      if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB)
        image.getRaster().setDataElements(x, y, width, height, pixels);
      else
        image.setRGB(x, y, width, height, pixels, 0, width);
    }

    public Object clone() {
      try {
        return super.clone();
      } catch (CloneNotSupportedException e) {
        return null;
      }
    }
  }

  public static interface IVar<A> {

    public void set(A a);

    public A get();

    public boolean has();

    public void clear();
  }

  public static class PixelUtils {

    public static final int REPLACE = 0;

    public static final int NORMAL = 1;

    public static final int MIN = 2;

    public static final int MAX = 3;

    public static final int ADD = 4;

    public static final int SUBTRACT = 5;

    public static final int DIFFERENCE = 6;

    public static final int MULTIPLY = 7;

    public static final int HUE = 8;

    public static final int SATURATION = 9;

    public static final int VALUE = 10;

    public static final int COLOR = 11;

    public static final int SCREEN = 12;

    public static final int AVERAGE = 13;

    public static final int OVERLAY = 14;

    public static final int CLEAR = 15;

    public static final int EXCHANGE = 16;

    public static final int DISSOLVE = 17;

    public static final int DST_IN = 18;

    public static final int ALPHA = 19;

    public static final int ALPHA_TO_GRAY = 20;

    public static Random randomGenerator = new Random();

    public static int _clamp(int c) {
      if (c < 0)
        return 0;
      if (c > 255)
        return 255;
      return c;
    }

    public static int interpolate(int v1, int v2, float f) {
      return _clamp((int) (v1 + f * (v2 - v1)));
    }

    public static int brightness(int rgb) {
      int r = (rgb >> 16) & 0xff;
      int g = (rgb >> 8) & 0xff;
      int b = rgb & 0xff;
      return (r + g + b) / 3;
    }

    public static boolean nearColors(int rgb1, int rgb2, int tolerance) {
      int r1 = (rgb1 >> 16) & 0xff;
      int g1 = (rgb1 >> 8) & 0xff;
      int b1 = rgb1 & 0xff;
      int r2 = (rgb2 >> 16) & 0xff;
      int g2 = (rgb2 >> 8) & 0xff;
      int b2 = rgb2 & 0xff;
      return Math.abs(r1 - r2) <= tolerance && Math.abs(g1 - g2) <= tolerance && Math.abs(b1 - b2) <= tolerance;
    }

    public static final float[] hsb1 = new float[3];

    public static final float[] hsb2 = new float[3];

    public static int combinePixels(int rgb1, int rgb2, int op) {
      return combinePixels(rgb1, rgb2, op, 0xff);
    }

    public static int combinePixels(int rgb1, int rgb2, int op, int extraAlpha, int channelMask) {
      return (rgb2 & ~channelMask) | combinePixels(rgb1 & channelMask, rgb2, op, extraAlpha);
    }

    public static int combinePixels(int rgb1, int rgb2, int op, int extraAlpha) {
      if (op == REPLACE)
        return rgb1;
      int a1 = (rgb1 >> 24) & 0xff;
      int r1 = (rgb1 >> 16) & 0xff;
      int g1 = (rgb1 >> 8) & 0xff;
      int b1 = rgb1 & 0xff;
      int a2 = (rgb2 >> 24) & 0xff;
      int r2 = (rgb2 >> 16) & 0xff;
      int g2 = (rgb2 >> 8) & 0xff;
      int b2 = rgb2 & 0xff;
      switch(op) {
        case NORMAL:
          break;
        case MIN:
          r1 = Math.min(r1, r2);
          g1 = Math.min(g1, g2);
          b1 = Math.min(b1, b2);
          break;
        case MAX:
          r1 = Math.max(r1, r2);
          g1 = Math.max(g1, g2);
          b1 = Math.max(b1, b2);
          break;
        case ADD:
          r1 = _clamp(r1 + r2);
          g1 = _clamp(g1 + g2);
          b1 = _clamp(b1 + b2);
          break;
        case SUBTRACT:
          r1 = _clamp(r2 - r1);
          g1 = _clamp(g2 - g1);
          b1 = _clamp(b2 - b1);
          break;
        case DIFFERENCE:
          r1 = _clamp(Math.abs(r1 - r2));
          g1 = _clamp(Math.abs(g1 - g2));
          b1 = _clamp(Math.abs(b1 - b2));
          break;
        case MULTIPLY:
          r1 = _clamp(r1 * r2 / 255);
          g1 = _clamp(g1 * g2 / 255);
          b1 = _clamp(b1 * b2 / 255);
          break;
        case DISSOLVE:
          if ((randomGenerator.nextInt() & 0xff) <= a1) {
            r1 = r2;
            g1 = g2;
            b1 = b2;
          }
          break;
        case AVERAGE:
          r1 = (r1 + r2) / 2;
          g1 = (g1 + g2) / 2;
          b1 = (b1 + b2) / 2;
          break;
        case HUE:
        case SATURATION:
        case VALUE:
        case COLOR:
          Color.RGBtoHSB(r1, g1, b1, hsb1);
          Color.RGBtoHSB(r2, g2, b2, hsb2);
          switch(op) {
            case HUE:
              hsb2[0] = hsb1[0];
              break;
            case SATURATION:
              hsb2[1] = hsb1[1];
              break;
            case VALUE:
              hsb2[2] = hsb1[2];
              break;
            case COLOR:
              hsb2[0] = hsb1[0];
              hsb2[1] = hsb1[1];
              break;
          }
          rgb1 = Color.HSBtoRGB(hsb2[0], hsb2[1], hsb2[2]);
          r1 = (rgb1 >> 16) & 0xff;
          g1 = (rgb1 >> 8) & 0xff;
          b1 = rgb1 & 0xff;
          break;
        case SCREEN:
          r1 = 255 - ((255 - r1) * (255 - r2)) / 255;
          g1 = 255 - ((255 - g1) * (255 - g2)) / 255;
          b1 = 255 - ((255 - b1) * (255 - b2)) / 255;
          break;
        case OVERLAY:
          int m, s;
          s = 255 - ((255 - r1) * (255 - r2)) / 255;
          m = r1 * r2 / 255;
          r1 = (s * r1 + m * (255 - r1)) / 255;
          s = 255 - ((255 - g1) * (255 - g2)) / 255;
          m = g1 * g2 / 255;
          g1 = (s * g1 + m * (255 - g1)) / 255;
          s = 255 - ((255 - b1) * (255 - b2)) / 255;
          m = b1 * b2 / 255;
          b1 = (s * b1 + m * (255 - b1)) / 255;
          break;
        case CLEAR:
          r1 = g1 = b1 = 0xff;
          break;
        case DST_IN:
          r1 = _clamp((r2 * a1) / 255);
          g1 = _clamp((g2 * a1) / 255);
          b1 = _clamp((b2 * a1) / 255);
          a1 = _clamp((a2 * a1) / 255);
          return (a1 << 24) | (r1 << 16) | (g1 << 8) | b1;
        case ALPHA:
          a1 = a1 * a2 / 255;
          return (a1 << 24) | (r2 << 16) | (g2 << 8) | b2;
        case ALPHA_TO_GRAY:
          int na = 255 - a1;
          return (a1 << 24) | (na << 16) | (na << 8) | na;
      }
      if (extraAlpha != 0xff || a1 != 0xff) {
        a1 = a1 * extraAlpha / 255;
        int a3 = (255 - a1) * a2 / 255;
        r1 = _clamp((r1 * a1 + r2 * a3) / 255);
        g1 = _clamp((g1 * a1 + g2 * a3) / 255);
        b1 = _clamp((b1 * a1 + b2 * a3) / 255);
        a1 = _clamp(a1 + a3);
      }
      return (a1 << 24) | (r1 << 16) | (g1 << 8) | b1;
    }
  }

  public abstract static class WholeImageFilter extends AbstractBufferedImageOp implements IF1<BufferedImage, BufferedImage> {

    public Rectangle transformedSpace;

    public Rectangle originalSpace;

    public WholeImageFilter() {
    }

    public BufferedImage get(BufferedImage src) {
      return filter(src, null);
    }

    public BufferedImage filter(BufferedImage src, BufferedImage dst) {
      int width = src.getWidth();
      int height = src.getHeight();
      int type = src.getType();
      WritableRaster srcRaster = src.getRaster();
      originalSpace = new Rectangle(0, 0, width, height);
      transformedSpace = new Rectangle(0, 0, width, height);
      transformSpace(transformedSpace);
      if (dst == null) {
        ColorModel dstCM = src.getColorModel();
        dst = new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(transformedSpace.width, transformedSpace.height), dstCM.isAlphaPremultiplied(), null);
      }
      WritableRaster dstRaster = dst.getRaster();
      int[] inPixels = getRGB(src, 0, 0, width, height, null);
      inPixels = filterPixels(width, height, inPixels, transformedSpace);
      setRGB(dst, 0, 0, transformedSpace.width, transformedSpace.height, inPixels);
      return dst;
    }

    public void transformSpace(Rectangle rect) {
    }

    public abstract int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace);
  }

  public static Border getBorder(final JComponent c) {
    return c == null ? null : swing(new F0<Border>() {

      public Border get() {
        try {
          return c.getBorder();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getBorder();";
      }
    });
  }

  public static UnsupportedOperationException unsupportedOperation() {
    throw new UnsupportedOperationException();
  }

  public static <A, B> LinkedHashMap<A, B> cloneLinkedHashMap(Map<A, B> map) {
    return map == null ? new LinkedHashMap() : new LinkedHashMap(map);
  }

  public static int toIntPercent(double ratio) {
    return roundToInt(ratio * 100);
  }

  public static int oneIfZero(int i) {
    return i == 0 ? 1 : i;
  }

  public static int hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static boolean byteArraysEqual(byte[] a, byte[] b) {
    return Arrays.equals(a, b);
  }

  public static int roundToInt(double d) {
    return (int) Math.round(d);
  }
}