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 static x30_pkg.x30_util.DynamicObject;
import java.nio.file.Path;
import java.text.*;
import java.text.NumberFormat;
import java.nio.charset.Charset;
import java.util.TimeZone;
import java.text.SimpleDateFormat;
class main {
static  ConceptFieldIndexCI indexConceptFieldCI(Class c, String field) {
  return indexConceptFieldCI(db_mainConcepts(), c, field);
}
static  ConceptFieldIndexCI indexConceptFieldCI(Concepts concepts, Class c, String field) {
  ConceptFieldIndexCI idx = getConceptFieldCIIndex(concepts, c, field);
  return idx != null ? idx : new ConceptFieldIndexCI(concepts, c, field);
}
static volatile Concepts mainConcepts; // Where we create new concepts
static Concepts db_mainConcepts() {
  if (mainConcepts == null)
    mainConcepts = newConceptsWithClassFinder(getDBProgramID());
  return mainConcepts;
}
static void cleanMeUp_concepts() {
  if (db_mainConcepts() != null) db_mainConcepts().cleanMeUp();
  // mainConcepts = null; // TODO
}
static  ConceptFieldIndexCI getConceptFieldCIIndex(Class c, String field) {
  return getConceptFieldCIIndex(db_mainConcepts(), c, field);
}
static  ConceptFieldIndexCI getConceptFieldCIIndex(Concepts concepts, Class c, String field) {
  return (ConceptFieldIndexCI) concepts.getCIFieldIndex(c, field);
}
static Concepts newConceptsWithClassFinder(String progID) {
  Concepts cc = new Concepts(progID);
  cc.classFinder = _defaultClassFinder();
  return cc;
}
static String getDBProgramID_id;
static String getDBProgramID() {
  return nempty(getDBProgramID_id) ? getDBProgramID_id : programIDWithCase();
}
static Object _defaultClassFinder_value = defaultDefaultClassFinder();
static Object _defaultClassFinder() {
  return _defaultClassFinder_value;
}
static boolean nempty(Collection c) {
  return !empty(c);
}
static boolean nempty(CharSequence s) {
  return !empty(s);
}
static boolean nempty(Object[] o) { return !empty(o); }
static boolean nempty(byte[] o) { return !empty(o); }
static boolean nempty(int[] o) { return !empty(o); }
static boolean nempty(Map m) {
  return !empty(m);
}
static boolean nempty(Iterator i) {
  return i != null && i.hasNext();
}
static boolean nempty(Object o) { return !empty(o); }
static String programIDWithCase() {
  return nempty(caseID())
    ? programID() + "/" + quoteUnlessIdentifierOrInteger(caseID())
    : programID();
}
static Object defaultDefaultClassFinder() {
  return new F1() {
    public Class get(String name) {
      Class c = get2(name);
      
      return c;
    }
      
    Class get2(String name) {
      // special invocation to find main class irrelevant of name
      if (eq(name, "")) return mc();
      
      { Class c = findClass_fullName(name); if (c != null) return c; }
      
      if (startsWithAny(name, "loadableUtils.utils$", "main$", mcDollar()))
        for (String pkg : ll("loadableUtils.utils$", mcDollar())) {
          String newName = pkg + afterDollar(name);
          
          { Class c = findClass_fullName(newName); if (c != null) return c; }
        }
      return null;
    }
  };
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); }
static boolean empty(CharSequence s) { return s == null || s.length() == 0; }
static boolean empty(Map map) { return map == null || map.isEmpty(); }
static boolean empty(Object[] o) { return o == null || o.length == 0; }
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));
}
static boolean empty(Iterator i) { return i == null || !i.hasNext(); }
static boolean empty(double[] a) { return a == null || a.length == 0; }
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static boolean empty(byte[] a) { return a == null || a.length == 0; }
static boolean empty(short[] a) { return a == null || a.length == 0; }
static boolean empty(MultiSet ms) { return ms == null || ms.isEmpty(); }
static boolean empty(File f) { return getFileSize(f) == 0; }
static volatile String caseID_caseID;
static String caseID() { return caseID_caseID; }
static void caseID(String id) {
  caseID_caseID = id;
}
static String programID() {
  return getProgramID();
}
static String programID(Object o) {
  return getProgramID(o);
}
static String quoteUnlessIdentifierOrInteger(String s) {
  return quoteIfNotIdentifierOrInteger(s);
}
// get purpose 1: access a list/array/map (safer version of x.get(y))
static  A get(List l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
// seems to conflict with other signatures
/*static  B get(Map map, A key) {
  ret map != null ? map.get(key) : null;
}*/
static  A get(A[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : null;
}
// default to false
static boolean get(boolean[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : false;
}
// get purpose 2: access a field by reflection or a map
static Object get(Object o, String field) {
  try {
    if (o == null) return null;
    if (o instanceof Class) return get((Class) o, field);
    
    if (o instanceof Map)
      return ((Map) o).get(field);
      
    Field f = getOpt_findField(o.getClass(), field);
    if (f != null) {
      makeAccessible(f);
      return f.get(o);
    }
      
    
      if (o instanceof DynamicObject)
        return getOptDynOnly(((DynamicObject) o), field);
    
  } catch (Exception e) {
    throw asRuntimeException(e);
  }
  throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName());
}
static Object get_raw(String field, Object o) {
  return get_raw(o, field);
}
static Object get_raw(Object o, String field) { try {
  if (o == null) return null;
  Field f = get_findField(o.getClass(), field);
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }
static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    makeAccessible(f);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
static Field get_findStaticField(Class> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field get_findField(Class> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Object get(String field, Object o) {
  return get(o, field);
}
static boolean get(BitSet bs, int idx) {
  return bs != null && bs.get(idx);
}
static Object get2(Object o, String field1, String field2) {
  return get(get(o, field1), field2);
}
static boolean eq(Object a, Object b) {
  return a == b || a != null && b != null && a.equals(b);
}
static Class mc() {
  return main.class;
}
static HashMap findClass_fullName_cache = new HashMap();
// returns null on not found
// this is the simple version that is not case-tolerant
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;
  }
}
static boolean startsWithAny(String a, Collection b) {
  for (String prefix : unnullForIteration(b))
    if (startsWith(a, prefix))
      return true;
  return false;
}
static boolean startsWithAny(String a, String... b) {
  if (b != null)
    for (String prefix : unnullForIteration(b))
      if (startsWith(a, prefix))
        return true;
  return false;
}
static boolean startsWithAny(String a, Collection b, Matches m) {
  for (String prefix : unnullForIteration(b))
    if (startsWith(a, prefix, m))
      return true;
  return false;
}
static String mcDollar() {
  return mcName() + "$";
}
static  List ll(A... a) {
  ArrayList l = new ArrayList(a.length);
  if (a != null) for (A x : a) l.add(x);
  return l;
}
static String afterDollar(String s) {
  return substring(s, smartIndexOf(s, '$')+1);
}
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(Object... objects) { throw new Fail(objects); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }
static String getType(Object o) {
  return getClassName(o);
}
static long getFileSize(String path) {
  return path == null ? 0 : new File(path).length();
}
static long getFileSize(File f) {
  return f == null ? 0 : f.length();
}
static String programID;
static String getProgramID() {
  return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
}
// TODO: ask JavaX instead
static String getProgramID(Class c) {
  String id = (String) getOpt(c, "programID");
  if (nempty(id))
    return formatSnippetID(id);
  return "?";
}
static String getProgramID(Object o) {
  return getProgramID(getMainClass(o));
}
static String quoteIfNotIdentifierOrInteger(String s) {
  if (s == null) return null;
  return isJavaIdentifier(s) || isInteger(s) ? s : quote(s);
}
static int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(short[] a) { return a == null ? 0 : a.length; }
static int l(long[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(double[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }
static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible
static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); }
static long l(File f) { return f == null ? 0 : f.length(); }
static int l(Object o) {
  return o == null ? 0
    : o instanceof String ? l((String) o)
    : o instanceof Map ? l((Map) o)
    : o instanceof Collection ? l((Collection) o)
    : o instanceof Object[] ? l((Object[]) o)
    : o instanceof boolean[] ? l((boolean[]) o)
    : o instanceof byte[] ? l((byte[]) o)
    : o instanceof char[] ? l((char[]) o)
    : o instanceof short[] ? l((short[]) o)
    : o instanceof int[] ? l((int[]) o)
    : o instanceof float[] ? l((float[]) o)
    : o instanceof double[] ? l((double[]) o)
    : o instanceof long[] ? l((long[]) o)
    : (Integer) call(o, "size");
}
  static int l(MultiSet ms) { return ms == null ? 0 : ms.size(); }
static Field getOpt_findField(Class> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static Field makeAccessible(Field f) {
  try {
    f.setAccessible(true);
  } catch (Throwable e) {
    // Note: The error reporting only works with Java VM option --illegal-access=deny
    
    vmBus_send("makeAccessible_error", e, f);
    
  }
  return f;
}
static Method makeAccessible(Method m) {
  try {
    m.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error", e, m);
    
  }
  return m;
}
static Constructor makeAccessible(Constructor c) {
  try {
    c.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error", e, c);
    
  }
  return c;
}
static Object getOptDynOnly(DynamicObject o, String field) {
  if (o == null || o.fieldValues == null) return null;
  return o.fieldValues.get(field);
}
static RuntimeException asRuntimeException(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static RuntimeException rethrow(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static RuntimeException rethrow(String msg, Throwable t) {
  throw new RuntimeException(msg, t);
}
static String str(Object o) {
  return o == null ? "null" : o.toString();
}
static String str(char[] c) {
  return new String(c);
}
static String unnullForIteration(String s) {
  return s == null ? "" : s;
}
static  Collection unnullForIteration(Collection l) {
  return l == null ? immutableEmptyList() : l;
}
static  List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; }
static int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; }
static char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; }
static double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; }
static  Map unnullForIteration(Map l) {
  return l == null ? immutableEmptyMap() : l;
}
static  Iterable unnullForIteration(Iterable i) {
  return i == null ? immutableEmptyList() : i;
}
static  A[] unnullForIteration(A[] a) {
  return a == null ? (A[]) emptyObjectArray() : a;
}
static BitSet unnullForIteration(BitSet b) {
  return b == null ? new BitSet() : b;
}
//ifclass Symbol
static  Pair unnullForIteration(Pair p) {
  return p != null ? p : new Pair(null, null);
}
static long unnullForIteration(Long l) { return l == null ? 0L : l; }
static boolean startsWith(String a, String b) {
  return a != null && a.startsWith(unnull(b));
}
static boolean startsWith(String a, char c) {
  return nemptyString(a) && a.charAt(0) == c;
}
  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;
  }
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;
}
static String mcName() {
  return mc().getName();
}
static String substring(String s, int x) {
  return substring(s, x, strL(s));
}
static String substring(String s, int x, int y) {
  if (s == null) return null;
  if (x < 0) x = 0;
  int n = s.length();
  if (y < x) y = x;
  if (y > n) y = n;
  if (x >= y) return "";
  return s.substring(x, y);
}
// convenience method for quickly dropping a prefix
static String substring(String s, CharSequence l) {
  return substring(s, lCharSequence(l));
}
// returns l(s) if not found
static int smartIndexOf(String s, String sub, int i) {
  if (s == null) return 0;
  i = s.indexOf(sub, min(i, l(s)));
  return i >= 0 ? i : l(s);
}
static int smartIndexOf(String s, int i, char c) {
  return smartIndexOf(s, c, i);
}
static int smartIndexOf(String s, char c, int i) {
  if (s == null) return 0;
  i = s.indexOf(c, min(i, l(s)));
  return i >= 0 ? i : l(s);
}
static int smartIndexOf(String s, String sub) {
  return smartIndexOf(s, sub, 0);
}
static int smartIndexOf(String s, char c) {
  return smartIndexOf(s, c, 0);
}
static  int smartIndexOf(List l, A sub) {
  return smartIndexOf(l, sub, 0);
}
static  int smartIndexOf(List l, int start, A sub) {
  return smartIndexOf(l, sub, start);
}
static  int smartIndexOf(List l, A sub, int start) {
  int i = indexOf(l, sub, start);
  return i < 0 ? l(l) : i;
}
static String getClassName(Object o) {
  return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static String formatSnippetIDOpt(String s) {
  return isSnippetID(s) ? formatSnippetID(s) : s;
}
static Object getOpt(Object o, String field) {
  return getOpt_cached(o, field);
}
static Object getOpt(String field, Object o) {
  return getOpt_cached(o, field);
}
static Object getOpt_raw(Object o, String field) { try {
  Field f = getOpt_findField(o.getClass(), field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }
// access of static fields is not yet optimized
static Object getOpt(Class c, String field) { try {
  if (c == null) return null;
  Field f = getOpt_findStaticField(c, field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(null);
} catch (Exception __e) { throw rethrow(__e); } }
static Field getOpt_findStaticField(Class> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}
static String formatSnippetID(long id) {
  return "#" + id;
}
static Class getMainClass() {
  return mc();
}
static Class getMainClass(Object o) { try {
  if (o == null) return null;
  if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o;
  ClassLoader cl = (o instanceof Class ? (Class) o : o.getClass()).getClassLoader();
  if (cl == null) return null;
  String name = mainClassNameForClassLoader(cl);
  return loadClassFromClassLoader_orNull(cl, name);
} catch (Exception __e) { throw rethrow(__e); } }
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;
}
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;
}
static String quote(Object o) {
  if (o == null) return "null";
  return quote(str(o));
}
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();
}
  
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 == '\t')
      out.append("\\t");
    else if (c == '\0')
      out.append("\\0");
    else
      out.append(c);
  }
  out.append('"');
}
static  int iteratorCount_int_close(Iterator i) { try {
  int n = 0;
  if (i != null) while (i.hasNext()) { i.next(); ++n; }
  if (i instanceof AutoCloseable) ((AutoCloseable) i).close();
  return n;
} catch (Exception __e) { throw rethrow(__e); } }
static Object call(Object o) {
  return callF(o);
}
// varargs assignment fixer for a single string array argument
static Object call(Object o, String method, String[] arg) {
  return call(o, method, new Object[] {arg});
}
static Object call(Object o, String method, Object... args) {
  //ret call_cached(o, method, args);
  return call_withVarargs(o, method, args);
}
static void vmBus_send(String msg, Object... args) {
  Object arg = vmBus_wrapArgs(args);
  pcallFAll_minimalExceptionHandling(vm_busListeners_live(), msg, arg);
  pcallFAll_minimalExceptionHandling(vm_busListenersByMessage_live().get(msg), msg, arg);
}
static void vmBus_send(String msg) {
  vmBus_send(msg, (Object) null);
}
static void _handleError(Error e) {
  call(javax(), "_handleError", e);
}
static  List immutableEmptyList() {
  return Collections.emptyList();
}
static int[] emptyIntArray_a = new int[0];
static int[] emptyIntArray() { return emptyIntArray_a; }
static char[] emptyCharArray = new char[0];
static char[] emptyCharArray() { return emptyCharArray; }
static double[] emptyDoubleArray = new double[0];
static double[] emptyDoubleArray() { return emptyDoubleArray; }
static  Map immutableEmptyMap() {
  return Collections.emptyMap();
}
static Object[] emptyObjectArray_a = new Object[0];
static Object[] emptyObjectArray() { return emptyObjectArray_a; }
static String unnull(String s) {
  return s == null ? "" : s;
}
static  Collection unnull(Collection l) {
  return l == null ? emptyList() : l;
}
static  List unnull(List l) { return l == null ? emptyList() : l; }
static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; }
static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; }
static double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; }
static  Map unnull(Map l) {
  return l == null ? emptyMap() : l;
}
static  Iterable unnull(Iterable i) {
  return i == null ? emptyList() : i;
}
static  A[] unnull(A[] a) {
  return a == null ? (A[]) emptyObjectArray() : a;
}
static BitSet unnull(BitSet b) {
  return b == null ? new BitSet() : b;
}
//ifclass Symbol
static  Pair unnull(Pair p) {
  return p != null ? p : new Pair(null, null);
}
static int unnull(Integer i) { return i == null ? 0 : i; }
static long unnull(Long l) { return l == null ? 0L : l; }
static double unnull(Double l) { return l == null ? 0.0 : l; }
static boolean nemptyString(String s) {
  return s != null && s.length() > 0;
}
static int strL(String s) {
  return s == null ? 0 : s.length();
}
static int listL(Collection l) {
  return l == null ? 0 : l.size();
}
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static int lCharSequence(CharSequence s) {
  return s == null ? 0 : s.length();
}
static int min(int a, int b) {
  return Math.min(a, b);
}
static long min(long a, long b) {
  return Math.min(a, b);
}
static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }
static double min(double a, double b) {
  return Math.min(a, b);
}
static double min(double[] c) {
  double x = Double.MAX_VALUE;
  for (double d : c) x = Math.min(x, d);
  return x;
}
static float min(float[] c) {
  float x = Float.MAX_VALUE;
  for (float d : c) x = Math.min(x, d);
  return x;
}
static byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}
static short min(short[] c) {
  short x = 0x7FFF;
  for (short d : c) if (d < x) x = d;
  return x;
}
static int min(int[] c) {
  int x = Integer.MAX_VALUE;
  for (int d : c) if (d < x) x = d;
  return x;
}
static  int indexOf(List l, A a, int startIndex) {
  if (l == null) return -1;
  int n = l(l);
  for (int i = startIndex; i < n; i++)
    if (eq(l.get(i), a))
      return i;
  return -1;
}
static  int indexOf(List l, int startIndex, A a) {
  return indexOf(l, a, startIndex);
}
static  int indexOf(List l, A a) {
  if (l == null) return -1;
  return l.indexOf(a);
}
static int indexOf(String a, String b) {
  return a == null || b == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, String b, int i) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, char b) {
  return a == null ? -1 : a.indexOf(b);
}
static int indexOf(String a, int i, char b) {
  return indexOf(a, b, i);
}
static int indexOf(String a, char b, int i) {
  return a == null ? -1 : a.indexOf(b, i);
}
static int indexOf(String a, int i, String b) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}
static  int indexOf(A[] x, A a) {
  int n = l(x);
  for (int i = 0; i < n; i++)
    if (eq(x[i], a))
      return i;
  return -1;
}
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
//static final Map> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init);
static class getOpt_Map extends WeakHashMap {
  getOpt_Map() {
    if (getOpt_special == null) getOpt_special = new HashMap();
    clear();
  }
  
  public void clear() {
    super.clear();
    //print("getOpt clear");
    put(Class.class, getOpt_special);
    put(String.class, getOpt_special);
  }
}
static final Map> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));
//static final Map> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map));
static HashMap getOpt_special; // just a marker
/*static void getOpt_special_init(Map map) {
  map.put(Class.class, getOpt_special);
  map.put(S.class, getOpt_special);
}*/
static Map getOpt_getFieldMap(Object o) {
  Class c = _getClass(o);
  HashMap map = getOpt_cache.get(c);
  if (map == null)
    map = getOpt_makeCache(c);
  return map;
}
static Object getOpt_cached(Object o, String field) { try {
  if (o == null) return null;
  Map map = getOpt_getFieldMap(o);
  if (map == getOpt_special) {
    if (o instanceof Class)
      return getOpt((Class) o, field);
    /*if (o instanceof S)
      ret getOpt(getBot((S) o), field);*/
    if (o instanceof Map)
      return ((Map) o).get(field);
  }
    
  Field f = map.get(field);
  if (f != null) return f.get(o);
  
    if (o instanceof DynamicObject)
      return syncMapGet2(((DynamicObject) o).fieldValues, field);
  
  return null;
} catch (Exception __e) { throw rethrow(__e); } }
// used internally - we are in synchronized block
static HashMap getOpt_makeCache(Class c) {
  HashMap map;
  if (isSubtypeOf(c, Map.class))
    map = getOpt_special;
  else {
    map = new HashMap();
    if (!reflection_classesNotToScan().contains(c.getName())) {
      Class _c = c;
      do {
        for (Field f : _c.getDeclaredFields()) {
          makeAccessible(f);
          String name = f.getName();
          if (!map.containsKey(name))
            map.put(name, f);
        }
        _c = _c.getSuperclass();
      } while (_c != null);
    }
  }
  if (getOpt_cache != null) getOpt_cache.put(c, map);
  return map;
}
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;
}
static String mainClassNameForClassLoader(ClassLoader cl) {
  return or((String) callOpt(cl, "mainClassName"), "main");
}
static Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) {
  try {
    return cl == null ? null : cl.loadClass(name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}
static Map> callF_cache = newDangerousWeakHashMap();
  static  A callF(F0 f) {
    return f == null ? null : f.get();
  }
  static  B callF(F1 f, A a) {
    return f == null ? null : f.get(a);
  }
  static  A callF(IF0 f) {
    return f == null ? null : f.get();
  }
  static  B callF(IF1 f, A a) {
    return f == null ? null : f.get(a);
  }
  static  C callF(IF2 f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }
  static  void callF(VF1 f, A a) {
    if (f != null) f.get(a);
  }
static Object callF(Runnable r) { { if (r != null) r.run(); } return null; }
static Object callF(Object f, Object... args) {
  if (f instanceof String)
    return callMCWithVarArgs((String) f, args); // possible SLOWDOWN over callMC
    
  return safeCallF(f, args);
}
static Object safeCallF(Object f, Object... args) {
  if (f instanceof Runnable) {
    ((Runnable) f).run();
    return null;
  }
  if (f == null) return null;
  
  Class c = f.getClass();
  ArrayList methods;
  synchronized(callF_cache) {
    methods = callF_cache.get(c);
    if (methods == null)
      methods = callF_makeCache(c);
  }
  
  int n = l(methods);
  if (n == 0) {
    
    throw fail("No get method in " + getClassName(c));
  }
  if (n == 1) return invokeMethod(methods.get(0), f, args);
  for (int i = 0; i < n; i++) {
    Method m = methods.get(i);
    if (call_checkArgs(m, args, false))
      return invokeMethod(m, f, args);
  }
  throw fail("No matching get method in " + getClassName(c));
}
// used internally
static ArrayList callF_makeCache(Class c) {
  ArrayList l = new ArrayList();
  Class _c = c;
  do {
    for (Method m : _c.getDeclaredMethods())
      if (m.getName().equals("get")) {
        makeAccessible(m);
        l.add(m);
      }
    if (!l.isEmpty()) break;
    _c = _c.getSuperclass();
  } while (_c != null);
  callF_cache.put(c, l);
  return l;
}
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);
      
    // try varargs
    List 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);
      
    // try varargs
    List 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");
  }
} catch (Exception __e) { throw rethrow(__e); } }
static Object vmBus_wrapArgs(Object... args) {
  return empty(args) ? null
    : l(args) == 1 ? args[0]
    : args;
}
static void pcallFAll_minimalExceptionHandling(Collection l, Object... args) {
  if (l != null) for  (Object f : cloneList(l)) { ping(); pcallF_minimalExceptionHandling(f, args); }
}
static void pcallFAll_minimalExceptionHandling(Iterator it, Object... args) {
  while  (it.hasNext()) { ping(); pcallF_minimalExceptionHandling(it.next(), args); }
}
static Set vm_busListeners_live_cache;
static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; }
static Set vm_busListeners_live_load() {
  return vm_generalIdentityHashSet("busListeners");
}
static Map vm_busListenersByMessage_live_cache;
static Map vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; }
static Map vm_busListenersByMessage_live_load() {
  return vm_generalHashMap("busListenersByMessage");
}
static Class javax() {
  return getJavaX();
}
static ArrayList emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}
static ArrayList emptyList(int capacity) {
  return new ArrayList(max(0, capacity));
}
// Try to match capacity
static ArrayList emptyList(Iterable l) {
  return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}
static ArrayList emptyList(Object[] l) {
  return emptyList(l(l));
}
// get correct type at once
static  ArrayList emptyList(Class c) {
  return new ArrayList();
}
static Map emptyMap() {
  return new HashMap();
}
static void clear(Collection c) {
  if (c != null) c.clear();
}
static void clear(Map map) {
  if (map != null) map.clear();
}
static  void put(Map map, A a, B b) {
  if (map != null) map.put(a, b);
}
static  void put(List l, int i, A a) {
  if (l != null && i >= 0 && i < l(l)) l.set(i, a);
}
static List _registerDangerousWeakMap_preList;
static  A _registerDangerousWeakMap(A map) {
  return _registerDangerousWeakMap(map, null);
}
static  A _registerDangerousWeakMap(A map, Object init) {
  
  callF(init, map);
  
  if (init instanceof String) {
    final String f =  (String) init;
    init = new VF1