static Object getOptIgnoreCase(O o, S field) {
  if (o instanceof S) o = getBot((S) o);
  if (o == null) ret null;
  if (o instanceof Class) return getOptIgnoreCase((Class) o, field);
  
  if (o.getClass().getName().equals("main$DynamicObject"))
    fail("not implemented");
  
  if (o instanceof Map) ret lookupIgnoreCase((Map) o, field);
  
  ret getOptIgnoreCase_raw(o, field);
}

static Object getOptIgnoreCase_raw(Object o, String field) {
  try {
    Field f = getOptIgnoreCase_findField(o.getClass(), field);
    if (f == null) ret null;
    f.setAccessible(true);
    return f.get(o);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Object getOptIgnoreCase(Class c, String field) {
  try {
    Field f = getOptIgnoreCase_findStaticField(c, field);
    if (f == null) ret null;
    f.setAccessible(true);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Field getOptIgnoreCase_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (eqic(f.getName(), field) && (f.getModifiers() & Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  ret null;
}

static Field getOptIgnoreCase_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (eqic(f.getName(), field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  ret null;
}

Began life as a copy of #1001101