Snakes.dart.js

//  ********** Library dart:core **************
//  ********** Natives dart:core **************
function $defProp(obj, prop, value) {
  Object.defineProperty(obj, prop,
      {value: value, enumerable: false, writable: true, configurable: true});
}
function $throw(e) {
  // If e is not a value, we can use V8's captureStackTrace utility method.
  // TODO(jmesserly): capture the stack trace on other JS engines.
  if (e && (typeof e == 'object') && Error.captureStackTrace) {
    // TODO(jmesserly): this will clobber the e.stack property
    Error.captureStackTrace(e, $throw);
  }
  throw e;
}
$defProp(Object.prototype, '$index', function(i) {
  $throw(new NoSuchMethodException(this, "operator []", [i]));
});
$defProp(Array.prototype, '$index', function(index) {
  var i = index | 0;
  if (i !== index) {
    throw new IllegalArgumentException('index is not int');
  } else if (i < 0 || i >= this.length) {
    throw new IndexOutOfRangeException(index);
  }
  return this[i];
});
$defProp(String.prototype, '$index', function(i) {
  return this[i];
});
$defProp(Object.prototype, '$setindex', function(i, value) {
  $throw(new NoSuchMethodException(this, "operator []=", [i, value]));
});
$defProp(Array.prototype, '$setindex', function(index, value) {
  var i = index | 0;
  if (i !== index) {
    throw new IllegalArgumentException('index is not int');
  } else if (i < 0 || i >= this.length) {
    throw new IndexOutOfRangeException(index);
  }
  return this[i] = value;
});
function $add$complex$(x, y) {
  if (typeof(x) == 'number') {
    $throw(new IllegalArgumentException(y));
  } else if (typeof(x) == 'string') {
    var str = (y == null) ? 'null' : y.toString();
    if (typeof(str) != 'string') {
      throw new Error("calling toString() on right hand operand of operator " +
      "+ did not return a String");
    }
    return x + str;
  } else if (typeof(x) == 'object') {
    return x.$add(y);
  } else {
    $throw(new NoSuchMethodException(x, "operator +", [y]));
  }
}

function $add$(x, y) {
  if (typeof(x) == 'number' && typeof(y) == 'number') return x + y;
  return $add$complex$(x, y);
}
function $eq$(x, y) {
  if (x == null) return y == null;
  return (typeof(x) != 'object') ? x === y : x.$eq(y);
}
// TODO(jimhug): Should this or should it not match equals?
$defProp(Object.prototype, '$eq', function(other) {
  return this === other;
});
function $mod$(x, y) {
  if (typeof(x) == 'number') {
    if (typeof(y) == 'number') {
      var result = x % y;
      if (result == 0) {
        return 0;  // Make sure we don't return -0.0.
      } else if (result < 0) {
        if (y < 0) {
          return result - y;
        } else {
          return result + y;
        }
      }
      return result;
    } else {
      $throw(new IllegalArgumentException(y));
    }
  } else if (typeof(x) == 'object') {
    return x.$mod(y);
  } else {
    $throw(new NoSuchMethodException(x, "operator %", [y]));
  }
}
function $ne$(x, y) {
  if (x == null) return y != null;
  return (typeof(x) != 'object') ? x !== y : !x.$eq(y);
}
function $truncdiv$(x, y) {
  if (typeof(x) == 'number') {
    if (typeof(y) == 'number') {
      if (y == 0) $throw(new IntegerDivisionByZeroException());
      var tmp = x / y;
      return (tmp < 0) ? Math.ceil(tmp) : Math.floor(tmp);
    } else {
      $throw(new IllegalArgumentException(y));
    }
  } else if (typeof(x) == 'object') {
    return x.$truncdiv(y);
  } else {
    $throw(new NoSuchMethodException(x, "operator ~/", [y]));
  }
}
/** Implements extends for Dart classes on JavaScript prototypes. */
function $inherits(child, parent) {
  if (child.prototype.__proto__) {
    child.prototype.__proto__ = parent.prototype;
  } else {
    function tmp() {};
    tmp.prototype = parent.prototype;
    child.prototype = new tmp();
    child.prototype.constructor = child;
  }
}
$defProp(Object.prototype, '$typeNameOf', (function() {
  function constructorNameWithFallback(obj) {
    var constructor = obj.constructor;
    if (typeof(constructor) == 'function') {
      // The constructor isn't null or undefined at this point. Try
      // to grab hold of its name.
      var name = constructor.name;
      // If the name is a non-empty string, we use that as the type
      // name of this object. On Firefox, we often get 'Object' as
      // the constructor name even for more specialized objects so
      // we have to fall through to the toString() based implementation
      // below in that case.
      if (typeof(name) == 'string' && name && name != 'Object') return name;
    }
    var string = Object.prototype.toString.call(obj);
    return string.substring(8, string.length - 1);
  }

  function chrome$typeNameOf() {
    var name = this.constructor.name;
    if (name == 'Window') return 'DOMWindow';
    return name;
  }

  function firefox$typeNameOf() {
    var name = constructorNameWithFallback(this);
    if (name == 'Window') return 'DOMWindow';
    if (name == 'Document') return 'HTMLDocument';
    if (name == 'XMLDocument') return 'Document';
    return name;
  }

  function ie$typeNameOf() {
    var name = constructorNameWithFallback(this);
    if (name == 'Window') return 'DOMWindow';
    // IE calls both HTML and XML documents 'Document', so we check for the
    // xmlVersion property, which is the empty string on HTML documents.
    if (name == 'Document' && this.xmlVersion) return 'Document';
    if (name == 'Document') return 'HTMLDocument';
    return name;
  }

  // If we're not in the browser, we're almost certainly running on v8.
  if (typeof(navigator) != 'object') return chrome$typeNameOf;

  var userAgent = navigator.userAgent;
  if (/Chrome|DumpRenderTree/.test(userAgent)) return chrome$typeNameOf;
  if (/Firefox/.test(userAgent)) return firefox$typeNameOf;
  if (/MSIE/.test(userAgent)) return ie$typeNameOf;
  return function() { return constructorNameWithFallback(this); };
})());
function $dynamic(name) {
  var f = Object.prototype[name];
  if (f && f.methods) return f.methods;

  var methods = {};
  if (f) methods.Object = f;
  function $dynamicBind() {
    // Find the target method
    var obj = this;
    var tag = obj.$typeNameOf();
    var method = methods[tag];
    if (!method) {
      var table = $dynamicMetadata;
      for (var i = 0; i < table.length; i++) {
        var entry = table[i];
        if (entry.map.hasOwnProperty(tag)) {
          method = methods[entry.tag];
          if (method) break;
        }
      }
    }
    method = method || methods.Object;

    var proto = Object.getPrototypeOf(obj);

    if (method == null) {
      // Trampoline to throw NoSuchMethodException (TODO: call noSuchMethod).
      method = function(){
        // Exact type check to prevent this code shadowing the dispatcher from a
        // subclass.
        if (Object.getPrototypeOf(this) === proto) {
          // TODO(sra): 'name' is the jsname, should be the Dart name.
          $throw(new NoSuchMethodException(
              obj, name, Array.prototype.slice.call(arguments)));
        }
        return Object.prototype[name].apply(this, arguments);
      };
    }

    if (!proto.hasOwnProperty(name)) {
      $defProp(proto, name, method);
    }

    return method.apply(this, Array.prototype.slice.call(arguments));
  };
  $dynamicBind.methods = methods;
  $defProp(Object.prototype, name, $dynamicBind);
  return methods;
}
if (typeof $dynamicMetadata == 'undefined') $dynamicMetadata = [];
Function.prototype.bind = Function.prototype.bind ||
  function(thisObj) {
    var func = this;
    var funcLength = func.$length || func.length;
    var argsLength = arguments.length;
    if (argsLength > 1) {
      var boundArgs = Array.prototype.slice.call(arguments, 1);
      var bound = function() {
        // Prepend the bound arguments to the current arguments.
        var newArgs = Array.prototype.slice.call(arguments);
        Array.prototype.unshift.apply(newArgs, boundArgs);
        return func.apply(thisObj, newArgs);
      };
      bound.$length = Math.max(0, funcLength - (argsLength - 1));
      return bound;
    } else {
      var bound = function() {
        return func.apply(thisObj, arguments);
      };
      bound.$length = funcLength;
      return bound;
    }
  };
function $dynamicSetMetadata(inputTable) {
  // TODO: Deal with light isolates.
  var table = [];
  for (var i = 0; i < inputTable.length; i++) {
    var tag = inputTable[i][0];
    var tags = inputTable[i][1];
    var map = {};
    var tagNames = tags.split('|');
    for (var j = 0; j < tagNames.length; j++) {
      map[tagNames[j]] = true;
    }
    table.push({tag: tag, tags: tags, map: map});
  }
  $dynamicMetadata = table;
}
// ********** Code for Object **************
$defProp(Object.prototype, "noSuchMethod", function(name, args) {
  $throw(new NoSuchMethodException(this, name, args));
});
$defProp(Object.prototype, "add$1", function($0) {
  return this.noSuchMethod("add", [$0]);
});
$defProp(Object.prototype, "clear$0", function() {
  return this.noSuchMethod("clear", []);
});
$defProp(Object.prototype, "is$Collection", function() {
  return false;
});
$defProp(Object.prototype, "is$List", function() {
  return false;
});
$defProp(Object.prototype, "is$Map", function() {
  return false;
});
$defProp(Object.prototype, "is$html_Element", function() {
  return false;
});
$defProp(Object.prototype, "remove$0", function() {
  return this.noSuchMethod("remove", []);
});
// ********** Code for IndexOutOfRangeException **************
function IndexOutOfRangeException(_index) {
  this._index = _index;
}
IndexOutOfRangeException.prototype.is$IndexOutOfRangeException = function(){return true};
IndexOutOfRangeException.prototype.toString = function() {
  return ("IndexOutOfRangeException: " + this._index);
}
// ********** Code for NoSuchMethodException **************
function NoSuchMethodException(_receiver, _functionName, _arguments, _existingArgumentNames) {
  this._receiver = _receiver;
  this._functionName = _functionName;
  this._arguments = _arguments;
  this._existingArgumentNames = _existingArgumentNames;
}
NoSuchMethodException.prototype.is$NoSuchMethodException = function(){return true};
NoSuchMethodException.prototype.toString = function() {
  var sb = new StringBufferImpl("");
  for (var i = (0);
   i < this._arguments.get$length(); i++) {
    if (i > (0)) {
      sb.add(", ");
    }
    sb.add(this._arguments.$index(i));
  }
  if (null == this._existingArgumentNames) {
    return (("NoSuchMethodException : method not found: '" + this._functionName + "'\n") + ("Receiver: " + this._receiver + "\n") + ("Arguments: [" + sb + "]"));
  }
  else {
    var actualParameters = sb.toString();
    sb = new StringBufferImpl("");
    for (var i = (0);
     i < this._existingArgumentNames.get$length(); i++) {
      if (i > (0)) {
        sb.add(", ");
      }
      sb.add(this._existingArgumentNames.$index(i));
    }
    var formalParameters = sb.toString();
    return ("NoSuchMethodException: incorrect number of arguments passed to " + ("method named '" + this._functionName + "'\nReceiver: " + this._receiver + "\n") + ("Tried calling: " + this._functionName + "(" + actualParameters + ")\n") + ("Found: " + this._functionName + "(" + formalParameters + ")"));
  }
}
// ********** Code for ClosureArgumentMismatchException **************
function ClosureArgumentMismatchException() {

}
ClosureArgumentMismatchException.prototype.toString = function() {
  return "Closure argument mismatch";
}
// ********** Code for ObjectNotClosureException **************
function ObjectNotClosureException() {

}
ObjectNotClosureException.prototype.toString = function() {
  return "Object is not closure";
}
// ********** Code for IllegalArgumentException **************
function IllegalArgumentException(arg) {
  this._arg = arg;
}
IllegalArgumentException.prototype.is$IllegalArgumentException = function(){return true};
IllegalArgumentException.prototype.toString = function() {
  return ("Illegal argument(s): " + this._arg);
}
// ********** Code for StackOverflowException **************
function StackOverflowException() {

}
StackOverflowException.prototype.toString = function() {
  return "Stack Overflow";
}
// ********** Code for NullPointerException **************
function NullPointerException(functionName, arguments) {
  this.functionName = functionName;
  this.arguments = arguments;
}
NullPointerException.prototype.toString = function() {
  if (this.functionName == null) {
    return this.get$exceptionName();
  }
  else {
    return (("" + this.get$exceptionName() + " : method: '" + this.functionName + "'\n") + "Receiver: null\n" + ("Arguments: " + this.arguments));
  }
}
NullPointerException.prototype.get$exceptionName = function() {
  return "NullPointerException";
}
// ********** Code for NoMoreElementsException **************
function NoMoreElementsException() {

}
NoMoreElementsException.prototype.toString = function() {
  return "NoMoreElementsException";
}
// ********** Code for EmptyQueueException **************
function EmptyQueueException() {

}
EmptyQueueException.prototype.toString = function() {
  return "EmptyQueueException";
}
// ********** Code for UnsupportedOperationException **************
function UnsupportedOperationException(_message) {
  this._message = _message;
}
UnsupportedOperationException.prototype.toString = function() {
  return ("UnsupportedOperationException: " + this._message);
}
// ********** Code for IntegerDivisionByZeroException **************
function IntegerDivisionByZeroException() {

}
IntegerDivisionByZeroException.prototype.is$IntegerDivisionByZeroException = function(){return true};
IntegerDivisionByZeroException.prototype.toString = function() {
  return "IntegerDivisionByZeroException";
}
// ********** Code for dart_core_Function **************
Function.prototype.to$call$0 = function() {
  this.call$0 = this._genStub(0);
  this.to$call$0 = function() { return this.call$0; };
  return this.call$0;
};
Function.prototype.call$0 = function() {
  return this.to$call$0()();
};
function to$call$0(f) { return f && f.to$call$0(); }
Function.prototype.to$call$1 = function() {
  this.call$1 = this._genStub(1);
  this.to$call$1 = function() { return this.call$1; };
  return this.call$1;
};
Function.prototype.call$1 = function($0) {
  return this.to$call$1()($0);
};
function to$call$1(f) { return f && f.to$call$1(); }
Function.prototype.to$call$2 = function() {
  this.call$2 = this._genStub(2);
  this.to$call$2 = function() { return this.call$2; };
  return this.call$2;
};
Function.prototype.call$2 = function($0, $1) {
  return this.to$call$2()($0, $1);
};
function to$call$2(f) { return f && f.to$call$2(); }
// ********** Code for Math **************
// ********** Code for top level **************
function print$(obj) {
  return _print(obj);
}
function _print(obj) {
  if (typeof console == 'object') {
    if (obj) obj = obj.toString();
    console.log(obj);
  } else if (typeof write === 'function') {
    write(obj);
    write('\n');
  }
}
function _toDartException(e) {
  function attachStack(dartEx) {
    // TODO(jmesserly): setting the stack property is not a long term solution.
    var stack = e.stack;
    // The stack contains the error message, and the stack is all that is
    // printed (the exception's toString() is never called).  Make the Dart
    // exception's toString() be the dominant message.
    if (typeof stack == 'string') {
      var message = dartEx.toString();
      if (/^(Type|Range)Error:/.test(stack)) {
        // Indent JS message (it can be helpful) so new message stands out.
        stack = '    (' + stack.substring(0, stack.indexOf('\n')) + ')\n' +
                stack.substring(stack.indexOf('\n') + 1);
      }
      stack = message + '\n' + stack;
    }
    dartEx.stack = stack;
    return dartEx;
  }

  if (e instanceof TypeError) {
    switch(e.type) {
      case 'property_not_function':
      case 'called_non_callable':
        if (e.arguments[0] == null) {
          return attachStack(new NullPointerException(null, []));
        } else {
          return attachStack(new ObjectNotClosureException());
        }
        break;
      case 'non_object_property_call':
      case 'non_object_property_load':
        return attachStack(new NullPointerException(null, []));
        break;
      case 'undefined_method':
        var mname = e.arguments[0];
        if (typeof(mname) == 'string' && (mname.indexOf('call$') == 0
            || mname == 'call' || mname == 'apply')) {
          return attachStack(new ObjectNotClosureException());
        } else {
          // TODO(jmesserly): fix noSuchMethod on operators so we don't hit this
          return attachStack(new NoSuchMethodException('', e.arguments[0], []));
        }
        break;
    }
  } else if (e instanceof RangeError) {
    if (e.message.indexOf('call stack') >= 0) {
      return attachStack(new StackOverflowException());
    }
  }
  return e;
}
//  ********** Library dart:coreimpl **************
// ********** Code for ListFactory **************
ListFactory = Array;
$defProp(ListFactory.prototype, "is$List", function(){return true});
$defProp(ListFactory.prototype, "is$Collection", function(){return true});
ListFactory.ListFactory$from$factory = function(other) {
  var list = [];
  for (var $$i = other.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    list.add$1(e);
  }
  return list;
}
$defProp(ListFactory.prototype, "get$length", function() { return this.length; });
$defProp(ListFactory.prototype, "set$length", function(value) { return this.length = value; });
$defProp(ListFactory.prototype, "add", function(value) {
  this.push(value);
});
$defProp(ListFactory.prototype, "addAll", function(collection) {
  for (var $$i = collection.iterator(); $$i.hasNext(); ) {
    var item = $$i.next();
    this.add(item);
  }
});
$defProp(ListFactory.prototype, "clear$_", function() {
  this.set$length((0));
});
$defProp(ListFactory.prototype, "removeLast", function() {
  return this.pop();
});
$defProp(ListFactory.prototype, "last", function() {
  return this.$index(this.get$length() - (1));
});
$defProp(ListFactory.prototype, "iterator", function() {
  return new ListIterator(this);
});
$defProp(ListFactory.prototype, "toString", function() {
  return Collections.collectionToString(this);
});
$defProp(ListFactory.prototype, "add$1", ListFactory.prototype.add);
$defProp(ListFactory.prototype, "clear$0", ListFactory.prototype.clear$_);
// ********** Code for ListIterator **************
function ListIterator(array) {
  this._array = array;
  this._pos = (0);
}
ListIterator.prototype.hasNext = function() {
  return this._array.get$length() > this._pos;
}
ListIterator.prototype.next = function() {
  if (!this.hasNext()) {
    $throw(const$0001);
  }
  return this._array.$index(this._pos++);
}
// ********** Code for JSSyntaxRegExp **************
function JSSyntaxRegExp(pattern, multiLine, ignoreCase) {
  JSSyntaxRegExp._create$ctor.call(this, pattern, $add$(($eq$(multiLine, true) ? "m" : ""), ($eq$(ignoreCase, true) ? "i" : "")));
}
JSSyntaxRegExp._create$ctor = function(pattern, flags) {
  this.re = new RegExp(pattern, flags);
      this.pattern = pattern;
      this.multiLine = this.re.multiline;
      this.ignoreCase = this.re.ignoreCase;
}
JSSyntaxRegExp._create$ctor.prototype = JSSyntaxRegExp.prototype;
JSSyntaxRegExp.prototype.hasMatch = function(str) {
  return this.re.test(str);
}
// ********** Code for NumImplementation **************
NumImplementation = Number;
NumImplementation.prototype.floor = function() {
  'use strict'; return Math.floor(this);
}
NumImplementation.prototype.hashCode = function() {
  'use strict'; return this & 0x1FFFFFFF;
}
// ********** Code for Collections **************
function Collections() {}
Collections.collectionToString = function(c) {
  var result = new StringBufferImpl("");
  Collections._emitCollection(c, result, new Array());
  return result.toString();
}
Collections._emitCollection = function(c, result, visiting) {
  visiting.add(c);
  var isList = !!(c && c.is$List());
  result.add(isList ? "[" : "{");
  var first = true;
  for (var $$i = c.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    if (!first) {
      result.add(", ");
    }
    first = false;
    Collections._emitObject(e, result, visiting);
  }
  result.add(isList ? "]" : "}");
  visiting.removeLast();
}
Collections._emitObject = function(o, result, visiting) {
  if (!!(o && o.is$Collection())) {
    if (Collections._containsRef(visiting, o)) {
      result.add(!!(o && o.is$List()) ? "[...]" : "{...}");
    }
    else {
      Collections._emitCollection(o, result, visiting);
    }
  }
  else if (!!(o && o.is$Map())) {
    if (Collections._containsRef(visiting, o)) {
      result.add("{...}");
    }
    else {
      Maps._emitMap(o, result, visiting);
    }
  }
  else {
    result.add($eq$(o) ? "null" : o);
  }
}
Collections._containsRef = function(c, ref) {
  for (var $$i = c.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    if ((null == e ? null == (ref) : e === ref)) return true;
  }
  return false;
}
// ********** Code for HashMapImplementation **************
function HashMapImplementation() {
  this._numberOfEntries = (0);
  this._numberOfDeleted = (0);
  this._loadLimit = HashMapImplementation._computeLoadLimit((8));
  this._keys = new Array((8));
  this._values = new Array((8));
}
HashMapImplementation.prototype.is$Map = function(){return true};
HashMapImplementation._computeLoadLimit = function(capacity) {
  return $truncdiv$((capacity * (3)), (4));
}
HashMapImplementation._firstProbe = function(hashCode, length) {
  return hashCode & (length - (1));
}
HashMapImplementation._nextProbe = function(currentProbe, numberOfProbes, length) {
  return (currentProbe + numberOfProbes) & (length - (1));
}
HashMapImplementation.prototype._probeForAdding = function(key) {
  var hash = HashMapImplementation._firstProbe(key.hashCode(), this._keys.get$length());
  var numberOfProbes = (1);
  var initialHash = hash;
  var insertionIndex = (-1);
  while (true) {
    var existingKey = this._keys.$index(hash);
    if (null == existingKey) {
      if (insertionIndex < (0)) return hash;
      return insertionIndex;
    }
    else if ($eq$(existingKey, key)) {
      return hash;
    }
    else if ((insertionIndex < (0)) && ((null == const$0000 ? null == (existingKey) : const$0000 === existingKey))) {
      insertionIndex = hash;
    }
    hash = HashMapImplementation._nextProbe(hash, numberOfProbes++, this._keys.get$length());
  }
}
HashMapImplementation.prototype._ensureCapacity = function() {
  var newNumberOfEntries = this._numberOfEntries + (1);
  if (newNumberOfEntries >= this._loadLimit) {
    this._grow(this._keys.get$length() * (2));
    return;
  }
  var capacity = this._keys.get$length();
  var numberOfFreeOrDeleted = capacity - newNumberOfEntries;
  var numberOfFree = numberOfFreeOrDeleted - this._numberOfDeleted;
  if (this._numberOfDeleted > numberOfFree) {
    this._grow(this._keys.get$length());
  }
}
HashMapImplementation._isPowerOfTwo = function(x) {
  return ((x & (x - (1))) == (0));
}
HashMapImplementation.prototype._grow = function(newCapacity) {
  var capacity = this._keys.get$length();
  this._loadLimit = HashMapImplementation._computeLoadLimit(newCapacity);
  var oldKeys = this._keys;
  var oldValues = this._values;
  this._keys = new Array(newCapacity);
  this._values = new Array(newCapacity);
  for (var i = (0);
   i < capacity; i++) {
    var key = oldKeys.$index(i);
    if (null == key || (null == key ? null == (const$0000) : key === const$0000)) {
      continue;
    }
    var value = oldValues.$index(i);
    var newIndex = this._probeForAdding(key);
    this._keys.$setindex(newIndex, key);
    this._values.$setindex(newIndex, value);
  }
  this._numberOfDeleted = (0);
}
HashMapImplementation.prototype.clear$_ = function() {
  this._numberOfEntries = (0);
  this._numberOfDeleted = (0);
  var length = this._keys.get$length();
  for (var i = (0);
   i < length; i++) {
    this._keys.$setindex(i);
    this._values.$setindex(i);
  }
}
HashMapImplementation.prototype.$setindex = function(key, value) {
  var $0;
  this._ensureCapacity();
  var index = this._probeForAdding(key);
  if ((null == this._keys.$index(index)) || ((($0 = this._keys.$index(index)) == null ? null == (const$0000) : $0 === const$0000))) {
    this._numberOfEntries++;
  }
  this._keys.$setindex(index, key);
  this._values.$setindex(index, value);
}
HashMapImplementation.prototype.forEach = function(f) {
  var length = this._keys.get$length();
  for (var i = (0);
   i < length; i++) {
    var key = this._keys.$index(i);
    if ((null != key) && ((null == key ? null != (const$0000) : key !== const$0000))) {
      f(key, this._values.$index(i));
    }
  }
}
HashMapImplementation.prototype.toString = function() {
  return Maps.mapToString(this);
}
HashMapImplementation.prototype.clear$0 = HashMapImplementation.prototype.clear$_;
// ********** Code for HashSetImplementation **************
function HashSetImplementation() {
  this._backingMap = new HashMapImplementation();
}
HashSetImplementation.prototype.is$Collection = function(){return true};
HashSetImplementation.prototype.clear$_ = function() {
  this._backingMap.clear$_();
}
HashSetImplementation.prototype.add = function(value) {
  this._backingMap.$setindex(value, value);
}
HashSetImplementation.prototype.addAll = function(collection) {
  var $this = this; // closure support
  collection.forEach(function _(value) {
    $this.add(value);
  }
  );
}
HashSetImplementation.prototype.forEach = function(f) {
  this._backingMap.forEach(function _(key, value) {
    f(key);
  }
  );
}
HashSetImplementation.prototype.filter = function(f) {
  var result = new HashSetImplementation();
  this._backingMap.forEach(function _(key, value) {
    if (f(key)) result.add(key);
  }
  );
  return result;
}
HashSetImplementation.prototype.iterator = function() {
  return new HashSetIterator(this);
}
HashSetImplementation.prototype.toString = function() {
  return Collections.collectionToString(this);
}
HashSetImplementation.prototype.add$1 = HashSetImplementation.prototype.add;
HashSetImplementation.prototype.clear$0 = HashSetImplementation.prototype.clear$_;
// ********** Code for HashSetIterator **************
function HashSetIterator(set_) {
  this._nextValidIndex = (-1);
  this._entries = set_._backingMap._keys;
  this._advance();
}
HashSetIterator.prototype.hasNext = function() {
  var $0;
  if (this._nextValidIndex >= this._entries.get$length()) return false;
  if ((($0 = this._entries.$index(this._nextValidIndex)) == null ? null == (const$0000) : $0 === const$0000)) {
    this._advance();
  }
  return this._nextValidIndex < this._entries.get$length();
}
HashSetIterator.prototype.next = function() {
  if (!this.hasNext()) {
    $throw(const$0001);
  }
  var res = this._entries.$index(this._nextValidIndex);
  this._advance();
  return res;
}
HashSetIterator.prototype._advance = function() {
  var length = this._entries.get$length();
  var entry;
  var deletedKey = const$0000;
  do {
    if (++this._nextValidIndex >= length) break;
    entry = this._entries.$index(this._nextValidIndex);
  }
  while ((null == entry) || ((null == entry ? null == (deletedKey) : entry === deletedKey)))
}
// ********** Code for _DeletedKeySentinel **************
function _DeletedKeySentinel() {

}
// ********** Code for Maps **************
function Maps() {}
Maps.mapToString = function(m) {
  var result = new StringBufferImpl("");
  Maps._emitMap(m, result, new Array());
  return result.toString();
}
Maps._emitMap = function(m, result, visiting) {
  visiting.add(m);
  result.add("{");
  var first = true;
  m.forEach((function (k, v) {
    if (!first) {
      result.add(", ");
    }
    first = false;
    Collections._emitObject(k, result, visiting);
    result.add(": ");
    Collections._emitObject(v, result, visiting);
  })
  );
  result.add("}");
  visiting.removeLast();
}
// ********** Code for DoubleLinkedQueueEntry **************
function DoubleLinkedQueueEntry(e) {
  this._element = e;
}
DoubleLinkedQueueEntry.prototype._link = function(p, n) {
  this._next = n;
  this._previous = p;
  p._next = this;
  n._previous = this;
}
DoubleLinkedQueueEntry.prototype.prepend = function(e) {
  new DoubleLinkedQueueEntry(e)._link(this._previous, this);
}
DoubleLinkedQueueEntry.prototype.remove = function() {
  this._previous._next = this._next;
  this._next._previous = this._previous;
  this._next = null;
  this._previous = null;
  return this._element;
}
DoubleLinkedQueueEntry.prototype.get$element = function() {
  return this._element;
}
DoubleLinkedQueueEntry.prototype.remove$0 = DoubleLinkedQueueEntry.prototype.remove;
// ********** Code for _DoubleLinkedQueueEntrySentinel **************
$inherits(_DoubleLinkedQueueEntrySentinel, DoubleLinkedQueueEntry);
function _DoubleLinkedQueueEntrySentinel() {
  DoubleLinkedQueueEntry.call(this, null);
  this._link(this, this);
}
_DoubleLinkedQueueEntrySentinel.prototype.remove = function() {
  $throw(const$0007);
}
_DoubleLinkedQueueEntrySentinel.prototype.get$element = function() {
  $throw(const$0007);
}
_DoubleLinkedQueueEntrySentinel.prototype.remove$0 = _DoubleLinkedQueueEntrySentinel.prototype.remove;
// ********** Code for DoubleLinkedQueue **************
function DoubleLinkedQueue() {
  this._sentinel = new _DoubleLinkedQueueEntrySentinel();
}
DoubleLinkedQueue.prototype.is$Collection = function(){return true};
DoubleLinkedQueue.prototype.addLast = function(value) {
  this._sentinel.prepend(value);
}
DoubleLinkedQueue.prototype.add = function(value) {
  this.addLast(value);
}
DoubleLinkedQueue.prototype.addAll = function(collection) {
  for (var $$i = collection.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    this.add(e);
  }
}
DoubleLinkedQueue.prototype.clear$_ = function() {
  this._sentinel._next = this._sentinel;
  this._sentinel._previous = this._sentinel;
}
DoubleLinkedQueue.prototype.forEach = function(f) {
  var entry = this._sentinel._next;
  while ((null == entry ? null != (this._sentinel) : entry !== this._sentinel)) {
    var nextEntry = entry._next;
    f(entry._element);
    entry = nextEntry;
  }
}
DoubleLinkedQueue.prototype.filter = function(f) {
  var other = new DoubleLinkedQueue();
  var entry = this._sentinel._next;
  while ((null == entry ? null != (this._sentinel) : entry !== this._sentinel)) {
    var nextEntry = entry._next;
    if (f(entry._element)) other.addLast(entry._element);
    entry = nextEntry;
  }
  return other;
}
DoubleLinkedQueue.prototype.iterator = function() {
  return new _DoubleLinkedQueueIterator(this._sentinel);
}
DoubleLinkedQueue.prototype.toString = function() {
  return Collections.collectionToString(this);
}
DoubleLinkedQueue.prototype.add$1 = DoubleLinkedQueue.prototype.add;
DoubleLinkedQueue.prototype.clear$0 = DoubleLinkedQueue.prototype.clear$_;
// ********** Code for _DoubleLinkedQueueIterator **************
function _DoubleLinkedQueueIterator(_sentinel) {
  this._sentinel = _sentinel;
  this._currentEntry = this._sentinel;
}
_DoubleLinkedQueueIterator.prototype.hasNext = function() {
  var $0;
  return (($0 = this._currentEntry._next) == null ? null != (this._sentinel) : $0 !== this._sentinel);
}
_DoubleLinkedQueueIterator.prototype.next = function() {
  if (!this.hasNext()) {
    $throw(const$0001);
  }
  this._currentEntry = this._currentEntry._next;
  return this._currentEntry.get$element();
}
// ********** Code for StringBufferImpl **************
function StringBufferImpl(content) {
  this.clear$_();
  this.add(content);
}
StringBufferImpl.prototype.add = function(obj) {
  var str = obj.toString();
  if (null == str || str.isEmpty()) return this;
  this._buffer.add(str);
  this._length = this._length + str.length;
  return this;
}
StringBufferImpl.prototype.addAll = function(objects) {
  for (var $$i = objects.iterator(); $$i.hasNext(); ) {
    var obj = $$i.next();
    this.add(obj);
  }
  return this;
}
StringBufferImpl.prototype.clear$_ = function() {
  this._buffer = new Array();
  this._length = (0);
  return this;
}
StringBufferImpl.prototype.toString = function() {
  if (this._buffer.get$length() == (0)) return "";
  if (this._buffer.get$length() == (1)) return this._buffer.$index((0));
  var result = StringBase.concatAll(this._buffer);
  this._buffer.clear$_();
  this._buffer.add(result);
  return result;
}
StringBufferImpl.prototype.add$1 = StringBufferImpl.prototype.add;
StringBufferImpl.prototype.clear$0 = StringBufferImpl.prototype.clear$_;
// ********** Code for StringBase **************
function StringBase() {}
StringBase.join = function(strings, separator) {
  if (strings.get$length() == (0)) return "";
  var s = strings.$index((0));
  for (var i = (1);
   i < strings.get$length(); i++) {
    s = $add$($add$(s, separator), strings.$index(i));
  }
  return s;
}
StringBase.concatAll = function(strings) {
  return StringBase.join(strings, "");
}
// ********** Code for StringImplementation **************
StringImplementation = String;
StringImplementation.prototype.isEmpty = function() {
  return this.length == (0);
}
StringImplementation.prototype.hashCode = function() {
      'use strict';
      var hash = 0;
      for (var i = 0; i < this.length; i++) {
        hash = 0x1fffffff & (hash + this.charCodeAt(i));
        hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
        hash ^= hash >> 6;
      }

      hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
      hash ^= hash >> 11;
      return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
}
// ********** Code for _ArgumentMismatchException **************
$inherits(_ArgumentMismatchException, ClosureArgumentMismatchException);
function _ArgumentMismatchException(_message) {
  this._dart_coreimpl_message = _message;
  ClosureArgumentMismatchException.call(this);
}
_ArgumentMismatchException.prototype.toString = function() {
  return ("Closure argument mismatch: " + this._dart_coreimpl_message);
}
// ********** Code for _FunctionImplementation **************
_FunctionImplementation = Function;
_FunctionImplementation.prototype._genStub = function(argsLength, names) {
      // Fast path #1: if no named arguments and arg count matches.
      var thisLength = this.$length || this.length;
      if (thisLength == argsLength && !names) {
        return this;
      }

      var paramsNamed = this.$optional ? (this.$optional.length / 2) : 0;
      var paramsBare = thisLength - paramsNamed;
      var argsNamed = names ? names.length : 0;
      var argsBare = argsLength - argsNamed;

      // Check we got the right number of arguments
      if (argsBare < paramsBare || argsLength > thisLength ||
          argsNamed > paramsNamed) {
        return function() {
          $throw(new _ArgumentMismatchException(
            'Wrong number of arguments to function. Expected ' + paramsBare +
            ' positional arguments and at most ' + paramsNamed +
            ' named arguments, but got ' + argsBare +
            ' positional arguments and ' + argsNamed + ' named arguments.'));
        };
      }

      // First, fill in all of the default values
      var p = new Array(paramsBare);
      if (paramsNamed) {
        p = p.concat(this.$optional.slice(paramsNamed));
      }
      // Fill in positional args
      var a = new Array(argsLength);
      for (var i = 0; i < argsBare; i++) {
        p[i] = a[i] = '$' + i;
      }
      // Then overwrite with supplied values for optional args
      var lastParameterIndex;
      var namesInOrder = true;
      for (var i = 0; i < argsNamed; i++) {
        var name = names[i];
        a[i + argsBare] = name;
        var j = this.$optional.indexOf(name);
        if (j < 0 || j >= paramsNamed) {
          return function() {
            $throw(new _ArgumentMismatchException(
              'Named argument "' + name + '" was not expected by function.' +
              ' Did you forget to mark the function parameter [optional]?'));
          };
        } else if (lastParameterIndex && lastParameterIndex > j) {
          namesInOrder = false;
        }
        p[j + paramsBare] = name;
        lastParameterIndex = j;
      }

      if (thisLength == argsLength && namesInOrder) {
        // Fast path #2: named arguments, but they're in order and all supplied.
        return this;
      }

      // Note: using Function instead of 'eval' to get a clean scope.
      // TODO(jmesserly): evaluate the performance of these stubs.
      var f = 'function(' + a.join(',') + '){return $f(' + p.join(',') + ');}';
      return new Function('$f', 'return ' + f + '').call(null, this);
    
}
// ********** Code for top level **************
//  ********** Library html **************
// ********** Code for _EventTargetImpl **************
// ********** Code for _NodeImpl **************
$dynamic("get$nodes").Node = function() {
  return new _ChildNodeListLazy(this);
}
$dynamic("remove").Node = function() {
  if ($ne$(this.get$parent())) {
    var parent = this.get$parent();
    parent.removeChild(this);
  }
  return this;
}
$dynamic("replaceWith").Node = function(otherNode) {
  try {
    var parent = this.get$parent();
    parent.replaceChild(otherNode, this);
  } catch (e) {
    e = _toDartException(e);
  }
  ;
  return this;
}
$dynamic("get$$$dom_childNodes").Node = function() {
  return this.childNodes;
}
$dynamic("get$parent").Node = function() {
  return this.parentNode;
}
$dynamic("set$text").Node = function(value) {
  this.textContent = value;
}
$dynamic("remove$0").Node = function() {
  return this.remove();
};
// ********** Code for _ElementImpl **************
$dynamic("is$html_Element").Element = function(){return true};
$dynamic("get$elements").Element = function() {
  return new _ChildrenElementList._wrap$ctor(this);
}
$dynamic("get$on").Element = function() {
  return new _ElementEventsImpl(this);
}
$dynamic("get$$$dom_children").Element = function() {
  return this.children;
}
$dynamic("get$$$dom_firstElementChild").Element = function() {
  return this.firstElementChild;
}
$dynamic("set$innerHTML").Element = function(value) { return this.innerHTML = value; };
$dynamic("get$$$dom_lastElementChild").Element = function() {
  return this.lastElementChild;
}
$dynamic("get$click").Element = function() {
  return this.click.bind(this);
}
// ********** Code for _HTMLElementImpl **************
// ********** Code for _AbstractWorkerImpl **************
// ********** Code for _AnchorElementImpl **************
// ********** Code for _AnimationImpl **************
// ********** Code for _EventImpl **************
// ********** Code for _AnimationEventImpl **************
// ********** Code for _AnimationListImpl **************
// ********** Code for _AppletElementImpl **************
// ********** Code for _AreaElementImpl **************
// ********** Code for _ArrayBufferImpl **************
// ********** Code for _ArrayBufferViewImpl **************
// ********** Code for _AttrImpl **************
// ********** Code for _AudioBufferImpl **************
// ********** Code for _AudioNodeImpl **************
// ********** Code for _AudioSourceNodeImpl **************
// ********** Code for _AudioBufferSourceNodeImpl **************
// ********** Code for _AudioChannelMergerImpl **************
// ********** Code for _AudioChannelSplitterImpl **************
// ********** Code for _AudioContextImpl **************
// ********** Code for _AudioDestinationNodeImpl **************
// ********** Code for _MediaElementImpl **************
// ********** Code for _AudioElementImpl **************
// ********** Code for _AudioParamImpl **************
// ********** Code for _AudioGainImpl **************
// ********** Code for _AudioGainNodeImpl **************
// ********** Code for _AudioListenerImpl **************
// ********** Code for _AudioPannerNodeImpl **************
// ********** Code for _AudioProcessingEventImpl **************
// ********** Code for _BRElementImpl **************
// ********** Code for _BarInfoImpl **************
// ********** Code for _BaseElementImpl **************
// ********** Code for _BaseFontElementImpl **************
// ********** Code for _BeforeLoadEventImpl **************
// ********** Code for _BiquadFilterNodeImpl **************
// ********** Code for _BlobImpl **************
// ********** Code for _BlobBuilderImpl **************
// ********** Code for _BodyElementImpl **************
$dynamic("get$on").HTMLBodyElement = function() {
  return new _BodyElementEventsImpl(this);
}
// ********** Code for _EventsImpl **************
function _EventsImpl(_ptr) {
  this._ptr = _ptr;
}
_EventsImpl.prototype._get = function(type) {
  return new _EventListenerListImpl(this._ptr, type);
}
// ********** Code for _ElementEventsImpl **************
$inherits(_ElementEventsImpl, _EventsImpl);
function _ElementEventsImpl(_ptr) {
  _EventsImpl.call(this, _ptr);
}
_ElementEventsImpl.prototype.get$click = function() {
  return this._get("click");
}
// ********** Code for _BodyElementEventsImpl **************
$inherits(_BodyElementEventsImpl, _ElementEventsImpl);
function _BodyElementEventsImpl(_ptr) {
  _ElementEventsImpl.call(this, _ptr);
}
// ********** Code for _ButtonElementImpl **************
// ********** Code for _CharacterDataImpl **************
// ********** Code for _TextImpl **************
// ********** Code for _CDATASectionImpl **************
// ********** Code for _CSSRuleImpl **************
// ********** Code for _CSSCharsetRuleImpl **************
// ********** Code for _CSSFontFaceRuleImpl **************
// ********** Code for _CSSImportRuleImpl **************
// ********** Code for _CSSKeyframeRuleImpl **************
// ********** Code for _CSSKeyframesRuleImpl **************
// ********** Code for _CSSMatrixImpl **************
// ********** Code for _CSSMediaRuleImpl **************
// ********** Code for _CSSPageRuleImpl **************
// ********** Code for _CSSValueImpl **************
// ********** Code for _CSSPrimitiveValueImpl **************
// ********** Code for _CSSRuleListImpl **************
// ********** Code for _CSSStyleDeclarationImpl **************
$dynamic("set$display").CSSStyleDeclaration = function(value) {
  this.setProperty("display", value, "");
}
// ********** Code for _CSSStyleRuleImpl **************
// ********** Code for _StyleSheetImpl **************
// ********** Code for _CSSStyleSheetImpl **************
// ********** Code for _CSSValueListImpl **************
// ********** Code for _CSSTransformValueImpl **************
// ********** Code for _CSSUnknownRuleImpl **************
// ********** Code for _CanvasElementImpl **************
// ********** Code for _CanvasGradientImpl **************
// ********** Code for _CanvasPatternImpl **************
// ********** Code for _CanvasPixelArrayImpl **************
$dynamic("is$List").CanvasPixelArray = function(){return true};
$dynamic("is$Collection").CanvasPixelArray = function(){return true};
$dynamic("get$length").CanvasPixelArray = function() { return this.length; };
$dynamic("$index").CanvasPixelArray = function(index) {
  return this[index];
}
$dynamic("$setindex").CanvasPixelArray = function(index, value) {
  this[index] = value
}
$dynamic("iterator").CanvasPixelArray = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").CanvasPixelArray = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").CanvasPixelArray = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").CanvasPixelArray = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").CanvasPixelArray = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").CanvasPixelArray = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").CanvasPixelArray = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").CanvasPixelArray = function($0) {
  return this.add($0);
};
// ********** Code for _CanvasRenderingContextImpl **************
// ********** Code for _CanvasRenderingContext2DImpl **************
// ********** Code for _ClientRectImpl **************
// ********** Code for _ClientRectListImpl **************
// ********** Code for _ClipboardImpl **************
// ********** Code for _CloseEventImpl **************
// ********** Code for _CommentImpl **************
// ********** Code for _UIEventImpl **************
// ********** Code for _CompositionEventImpl **************
// ********** Code for _ContentElementImpl **************
// ********** Code for _ConvolverNodeImpl **************
// ********** Code for _CoordinatesImpl **************
// ********** Code for _CounterImpl **************
// ********** Code for _CryptoImpl **************
// ********** Code for _CustomEventImpl **************
// ********** Code for _DListElementImpl **************
// ********** Code for _DOMApplicationCacheImpl **************
// ********** Code for _DOMExceptionImpl **************
// ********** Code for _DOMFileSystemImpl **************
// ********** Code for _DOMFileSystemSyncImpl **************
// ********** Code for _DOMFormDataImpl **************
// ********** Code for _DOMImplementationImpl **************
// ********** Code for _DOMMimeTypeImpl **************
// ********** Code for _DOMMimeTypeArrayImpl **************
// ********** Code for _DOMParserImpl **************
// ********** Code for _DOMPluginImpl **************
// ********** Code for _DOMPluginArrayImpl **************
// ********** Code for _DOMSelectionImpl **************
// ********** Code for _DOMTokenListImpl **************
$dynamic("add$1").DOMTokenList = function($0) {
  return this.add($0);
};
// ********** Code for _DOMSettableTokenListImpl **************
// ********** Code for _DOMURLImpl **************
// ********** Code for _DataTransferItemImpl **************
// ********** Code for _DataTransferItemListImpl **************
$dynamic("add$1").DataTransferItemList = function($0) {
  return this.add($0);
};
$dynamic("clear$0").DataTransferItemList = function() {
  return this.clear();
};
// ********** Code for _DataViewImpl **************
// ********** Code for _DatabaseImpl **************
// ********** Code for _DatabaseSyncImpl **************
// ********** Code for _WorkerContextImpl **************
// ********** Code for _DedicatedWorkerContextImpl **************
// ********** Code for _DelayNodeImpl **************
// ********** Code for _DeprecatedPeerConnectionImpl **************
// ********** Code for _DetailsElementImpl **************
// ********** Code for _DeviceMotionEventImpl **************
// ********** Code for _DeviceOrientationEventImpl **************
// ********** Code for _DirectoryElementImpl **************
// ********** Code for _EntryImpl **************
// ********** Code for _DirectoryEntryImpl **************
// ********** Code for _EntrySyncImpl **************
$dynamic("remove$0").EntrySync = function() {
  return this.remove();
};
// ********** Code for _DirectoryEntrySyncImpl **************
// ********** Code for _DirectoryReaderImpl **************
// ********** Code for _DirectoryReaderSyncImpl **************
// ********** Code for _DivElementImpl **************
// ********** Code for _DocumentImpl **************
$dynamic("is$html_Element").HTMLDocument = function(){return true};
$dynamic("get$on").HTMLDocument = function() {
  return new _DocumentEventsImpl(this);
}
$dynamic("query").HTMLDocument = function(selectors) {
  if (const$0002.hasMatch(selectors)) {
    return this.getElementById(selectors.substring((1)));
  }
  return this.$dom_querySelector(selectors);
}
$dynamic("$dom_querySelector").HTMLDocument = function(selectors) {
  return this.querySelector(selectors);
}
// ********** Code for _DocumentEventsImpl **************
$inherits(_DocumentEventsImpl, _ElementEventsImpl);
function _DocumentEventsImpl(_ptr) {
  _ElementEventsImpl.call(this, _ptr);
}
_DocumentEventsImpl.prototype.get$click = function() {
  return this._get("click");
}
_DocumentEventsImpl.prototype.get$keyDown = function() {
  return this._get("keydown");
}
// ********** Code for FilteredElementList **************
function FilteredElementList(node) {
  this._childNodes = node.get$nodes();
  this._node = node;
}
FilteredElementList.prototype.is$List = function(){return true};
FilteredElementList.prototype.is$Collection = function(){return true};
FilteredElementList.prototype.get$_filtered = function() {
  return ListFactory.ListFactory$from$factory(this._childNodes.filter((function (n) {
    return !!(n && n.is$html_Element());
  })
  ));
}
FilteredElementList.prototype.get$first = function() {
  var $$list = this._childNodes;
  for (var $$i = $$list.iterator(); $$i.hasNext(); ) {
    var node = $$i.next();
    if (!!(node && node.is$html_Element())) {
      return node;
    }
  }
  return null;
}
FilteredElementList.prototype.forEach = function(f) {
  this.get$_filtered().forEach(f);
}
FilteredElementList.prototype.$setindex = function(index, value) {
  this.$index(index).replaceWith(value);
}
FilteredElementList.prototype.add = function(value) {
  this._childNodes.add(value);
}
FilteredElementList.prototype.get$add = function() {
  return this.add.bind(this);
}
FilteredElementList.prototype.addAll = function(collection) {
  collection.forEach(this.get$add());
}
FilteredElementList.prototype.clear$_ = function() {
  this._childNodes.clear$_();
}
FilteredElementList.prototype.removeLast = function() {
  var result = this.last();
  if ($ne$(result)) {
    result.remove$0();
  }
  return result;
}
FilteredElementList.prototype.filter = function(f) {
  return this.get$_filtered().filter(f);
}
FilteredElementList.prototype.get$length = function() {
  return this.get$_filtered().get$length();
}
FilteredElementList.prototype.$index = function(index) {
  return this.get$_filtered().$index(index);
}
FilteredElementList.prototype.iterator = function() {
  return this.get$_filtered().iterator();
}
FilteredElementList.prototype.last = function() {
  return this.get$_filtered().last();
}
FilteredElementList.prototype.add$1 = FilteredElementList.prototype.add;
FilteredElementList.prototype.clear$0 = FilteredElementList.prototype.clear$_;
// ********** Code for _DocumentFragmentImpl **************
$dynamic("is$html_Element").DocumentFragment = function(){return true};
$dynamic("get$elements").DocumentFragment = function() {
  if (this._elements == null) {
    this._elements = new FilteredElementList(this);
  }
  return this._elements;
}
$dynamic("set$innerHTML").DocumentFragment = function(value) {
  this.get$nodes().clear$_();
  var e = _ElementFactoryProvider.Element$tag$factory("div");
  e.set$innerHTML(value);
  var nodes = ListFactory.ListFactory$from$factory(e.get$nodes());
  this.get$nodes().addAll(nodes);
}
$dynamic("get$parent").DocumentFragment = function() {
  return null;
}
$dynamic("click").DocumentFragment = function() {

}
$dynamic("get$click").DocumentFragment = function() {
  return this.click.bind(this);
}
// ********** Code for _DocumentTypeImpl **************
// ********** Code for _DynamicsCompressorNodeImpl **************
// ********** Code for _EXTTextureFilterAnisotropicImpl **************
// ********** Code for _ChildrenElementList **************
_ChildrenElementList._wrap$ctor = function(element) {
  this._childElements = element.get$$$dom_children();
  this._html_element = element;
}
_ChildrenElementList._wrap$ctor.prototype = _ChildrenElementList.prototype;
function _ChildrenElementList() {}
_ChildrenElementList.prototype.is$List = function(){return true};
_ChildrenElementList.prototype.is$Collection = function(){return true};
_ChildrenElementList.prototype._toList = function() {
  var output = new Array(this._childElements.get$length());
  for (var i = (0), len = this._childElements.get$length();
   i < len; i++) {
    output.$setindex(i, this._childElements.$index(i));
  }
  return output;
}
_ChildrenElementList.prototype.get$first = function() {
  return this._html_element.get$$$dom_firstElementChild();
}
_ChildrenElementList.prototype.forEach = function(f) {
  var $$list = this._childElements;
  for (var $$i = $$list.iterator(); $$i.hasNext(); ) {
    var element = $$i.next();
    f(element);
  }
}
_ChildrenElementList.prototype.filter = function(f) {
  var output = [];
  this.forEach((function (element) {
    if (f(element)) {
      output.add$1(element);
    }
  })
  );
  return new _FrozenElementList._wrap$ctor(output);
}
_ChildrenElementList.prototype.get$length = function() {
  return this._childElements.get$length();
}
_ChildrenElementList.prototype.$index = function(index) {
  return this._childElements.$index(index);
}
_ChildrenElementList.prototype.$setindex = function(index, value) {
  this._html_element.replaceChild(value, this._childElements.$index(index));
}
_ChildrenElementList.prototype.add = function(value) {
  this._html_element.appendChild(value);
  return value;
}
_ChildrenElementList.prototype.iterator = function() {
  return this._toList().iterator();
}
_ChildrenElementList.prototype.addAll = function(collection) {
  for (var $$i = collection.iterator(); $$i.hasNext(); ) {
    var element = $$i.next();
    this._html_element.appendChild(element);
  }
}
_ChildrenElementList.prototype.clear$_ = function() {
  this._html_element.set$text("");
}
_ChildrenElementList.prototype.removeLast = function() {
  var result = this.last();
  if ($ne$(result)) {
    this._html_element.removeChild(result);
  }
  return result;
}
_ChildrenElementList.prototype.last = function() {
  return this._html_element.get$$$dom_lastElementChild();
}
_ChildrenElementList.prototype.add$1 = _ChildrenElementList.prototype.add;
_ChildrenElementList.prototype.clear$0 = _ChildrenElementList.prototype.clear$_;
// ********** Code for _FrozenElementList **************
_FrozenElementList._wrap$ctor = function(_nodeList) {
  this._nodeList = _nodeList;
}
_FrozenElementList._wrap$ctor.prototype = _FrozenElementList.prototype;
function _FrozenElementList() {}
_FrozenElementList.prototype.is$List = function(){return true};
_FrozenElementList.prototype.is$Collection = function(){return true};
_FrozenElementList.prototype.get$first = function() {
  return this._nodeList.$index((0));
}
_FrozenElementList.prototype.forEach = function(f) {
  for (var $$i = this.iterator(); $$i.hasNext(); ) {
    var el = $$i.next();
    f(el);
  }
}
_FrozenElementList.prototype.filter = function(f) {
  var out = new _ElementList([]);
  for (var $$i = this.iterator(); $$i.hasNext(); ) {
    var el = $$i.next();
    if (f(el)) out.add$1(el);
  }
  return out;
}
_FrozenElementList.prototype.get$length = function() {
  return this._nodeList.get$length();
}
_FrozenElementList.prototype.$index = function(index) {
  return this._nodeList.$index(index);
}
_FrozenElementList.prototype.$setindex = function(index, value) {
  $throw(const$0008);
}
_FrozenElementList.prototype.add = function(value) {
  $throw(const$0008);
}
_FrozenElementList.prototype.iterator = function() {
  return new _FrozenElementListIterator(this);
}
_FrozenElementList.prototype.addAll = function(collection) {
  $throw(const$0008);
}
_FrozenElementList.prototype.clear$_ = function() {
  $throw(const$0008);
}
_FrozenElementList.prototype.removeLast = function() {
  $throw(const$0008);
}
_FrozenElementList.prototype.last = function() {
  return this._nodeList.last();
}
_FrozenElementList.prototype.add$1 = _FrozenElementList.prototype.add;
_FrozenElementList.prototype.clear$0 = _FrozenElementList.prototype.clear$_;
// ********** Code for _FrozenElementListIterator **************
function _FrozenElementListIterator(_list) {
  this._html_index = (0);
  this._html_list = _list;
}
_FrozenElementListIterator.prototype.next = function() {
  if (!this.hasNext()) {
    $throw(const$0001);
  }
  return this._html_list.$index(this._html_index++);
}
_FrozenElementListIterator.prototype.hasNext = function() {
  return this._html_index < this._html_list.get$length();
}
// ********** Code for _ListWrapper **************
function _ListWrapper() {}
_ListWrapper.prototype.is$List = function(){return true};
_ListWrapper.prototype.is$Collection = function(){return true};
_ListWrapper.prototype.iterator = function() {
  return this._html_list.iterator();
}
_ListWrapper.prototype.forEach = function(f) {
  return this._html_list.forEach(f);
}
_ListWrapper.prototype.filter = function(f) {
  return this._html_list.filter(f);
}
_ListWrapper.prototype.get$length = function() {
  return this._html_list.get$length();
}
_ListWrapper.prototype.$index = function(index) {
  return this._html_list.$index(index);
}
_ListWrapper.prototype.$setindex = function(index, value) {
  this._html_list.$setindex(index, value);
}
_ListWrapper.prototype.add = function(value) {
  return this._html_list.add(value);
}
_ListWrapper.prototype.addAll = function(collection) {
  return this._html_list.addAll(collection);
}
_ListWrapper.prototype.clear$_ = function() {
  return this._html_list.clear$_();
}
_ListWrapper.prototype.removeLast = function() {
  return this._html_list.removeLast();
}
_ListWrapper.prototype.last = function() {
  return this._html_list.last();
}
_ListWrapper.prototype.get$first = function() {
  return this._html_list.$index((0));
}
_ListWrapper.prototype.add$1 = _ListWrapper.prototype.add;
_ListWrapper.prototype.clear$0 = _ListWrapper.prototype.clear$_;
// ********** Code for _ListWrapper_Element **************
$inherits(_ListWrapper_Element, _ListWrapper);
function _ListWrapper_Element(_list) {
  this._html_list = _list;
}
_ListWrapper_Element.prototype.add$1 = _ListWrapper_Element.prototype.add;
_ListWrapper_Element.prototype.clear$0 = _ListWrapper_Element.prototype.clear$_;
// ********** Code for _ElementList **************
$inherits(_ElementList, _ListWrapper_Element);
function _ElementList(list) {
  _ListWrapper_Element.call(this, list);
}
_ElementList.prototype.filter = function(f) {
  return new _ElementList(_ListWrapper_Element.prototype.filter.call(this, f));
}
// ********** Code for _ElementFactoryProvider **************
function _ElementFactoryProvider() {}
_ElementFactoryProvider.Element$tag$factory = function(tag) {
  return document.createElement(tag)
}
// ********** Code for _ElementTimeControlImpl **************
// ********** Code for _ElementTraversalImpl **************
// ********** Code for _EmbedElementImpl **************
// ********** Code for _EntityImpl **************
// ********** Code for _EntityReferenceImpl **************
// ********** Code for _EntryArrayImpl **************
// ********** Code for _EntryArraySyncImpl **************
// ********** Code for _ErrorEventImpl **************
// ********** Code for _EventExceptionImpl **************
// ********** Code for _EventSourceImpl **************
// ********** Code for _EventListenerListImpl **************
function _EventListenerListImpl(_ptr, _type) {
  this._ptr = _ptr;
  this._type = _type;
}
_EventListenerListImpl.prototype.add = function(listener, useCapture) {
  this._add(listener, useCapture);
  return this;
}
_EventListenerListImpl.prototype._add = function(listener, useCapture) {
  this._ptr.addEventListener(this._type, listener, useCapture);
}
_EventListenerListImpl.prototype.add$1 = function($0) {
  return this.add(to$call$1($0), false);
};
// ********** Code for _FieldSetElementImpl **************
// ********** Code for _FileImpl **************
// ********** Code for _FileEntryImpl **************
// ********** Code for _FileEntrySyncImpl **************
// ********** Code for _FileErrorImpl **************
// ********** Code for _FileExceptionImpl **************
// ********** Code for _FileListImpl **************
// ********** Code for _FileReaderImpl **************
// ********** Code for _FileReaderSyncImpl **************
// ********** Code for _FileWriterImpl **************
// ********** Code for _FileWriterSyncImpl **************
// ********** Code for _Float32ArrayImpl **************
$dynamic("is$List").Float32Array = function(){return true};
$dynamic("is$Collection").Float32Array = function(){return true};
$dynamic("get$length").Float32Array = function() { return this.length; };
$dynamic("$index").Float32Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Float32Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Float32Array = function() {
  return new _FixedSizeListIterator_num(this);
}
$dynamic("add").Float32Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Float32Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Float32Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Float32Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Float32Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Float32Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Float32Array = function($0) {
  return this.add($0);
};
// ********** Code for _Float64ArrayImpl **************
$dynamic("is$List").Float64Array = function(){return true};
$dynamic("is$Collection").Float64Array = function(){return true};
$dynamic("get$length").Float64Array = function() { return this.length; };
$dynamic("$index").Float64Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Float64Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Float64Array = function() {
  return new _FixedSizeListIterator_num(this);
}
$dynamic("add").Float64Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Float64Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Float64Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Float64Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Float64Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Float64Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Float64Array = function($0) {
  return this.add($0);
};
// ********** Code for _FontElementImpl **************
// ********** Code for _FormElementImpl **************
// ********** Code for _FrameElementImpl **************
// ********** Code for _FrameSetElementImpl **************
$dynamic("get$on").HTMLFrameSetElement = function() {
  return new _FrameSetElementEventsImpl(this);
}
// ********** Code for _FrameSetElementEventsImpl **************
$inherits(_FrameSetElementEventsImpl, _ElementEventsImpl);
function _FrameSetElementEventsImpl(_ptr) {
  _ElementEventsImpl.call(this, _ptr);
}
// ********** Code for _GeolocationImpl **************
// ********** Code for _GeopositionImpl **************
// ********** Code for _HRElementImpl **************
// ********** Code for _HTMLAllCollectionImpl **************
// ********** Code for _HTMLCollectionImpl **************
$dynamic("is$List").HTMLCollection = function(){return true};
$dynamic("is$Collection").HTMLCollection = function(){return true};
$dynamic("get$length").HTMLCollection = function() { return this.length; };
$dynamic("$index").HTMLCollection = function(index) {
  return this[index];
}
$dynamic("$setindex").HTMLCollection = function(index, value) {
  $throw(new UnsupportedOperationException("Cannot assign element of immutable List."));
}
$dynamic("iterator").HTMLCollection = function() {
  return new _FixedSizeListIterator_html_Node(this);
}
$dynamic("add").HTMLCollection = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").HTMLCollection = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").HTMLCollection = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").HTMLCollection = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").HTMLCollection = function() {
  return this.$index(this.get$length() - (1));
}
$dynamic("removeLast").HTMLCollection = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").HTMLCollection = function($0) {
  return this.add($0);
};
// ********** Code for _HTMLOptionsCollectionImpl **************
$dynamic("get$length").HTMLOptionsCollection = function() {
  return this.length;
}
// ********** Code for _HashChangeEventImpl **************
// ********** Code for _HeadElementImpl **************
// ********** Code for _HeadingElementImpl **************
// ********** Code for _HistoryImpl **************
// ********** Code for _HtmlElementImpl **************
// ********** Code for _IDBAnyImpl **************
// ********** Code for _IDBCursorImpl **************
// ********** Code for _IDBCursorWithValueImpl **************
// ********** Code for _IDBDatabaseImpl **************
// ********** Code for _IDBDatabaseExceptionImpl **************
// ********** Code for _IDBFactoryImpl **************
// ********** Code for _IDBIndexImpl **************
// ********** Code for _IDBKeyImpl **************
// ********** Code for _IDBKeyRangeImpl **************
// ********** Code for _IDBObjectStoreImpl **************
$dynamic("add$1").IDBObjectStore = function($0) {
  return this.add($0);
};
$dynamic("clear$0").IDBObjectStore = function() {
  return this.clear();
};
// ********** Code for _IDBRequestImpl **************
// ********** Code for _IDBTransactionImpl **************
// ********** Code for _IDBVersionChangeEventImpl **************
// ********** Code for _IDBVersionChangeRequestImpl **************
// ********** Code for _IFrameElementImpl **************
// ********** Code for _IceCandidateImpl **************
// ********** Code for _ImageDataImpl **************
// ********** Code for _ImageElementImpl **************
// ********** Code for _InputElementImpl **************
$dynamic("get$on").HTMLInputElement = function() {
  return new _InputElementEventsImpl(this);
}
// ********** Code for _InputElementEventsImpl **************
$inherits(_InputElementEventsImpl, _ElementEventsImpl);
function _InputElementEventsImpl(_ptr) {
  _ElementEventsImpl.call(this, _ptr);
}
// ********** Code for _Int16ArrayImpl **************
$dynamic("is$List").Int16Array = function(){return true};
$dynamic("is$Collection").Int16Array = function(){return true};
$dynamic("get$length").Int16Array = function() { return this.length; };
$dynamic("$index").Int16Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Int16Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Int16Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Int16Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Int16Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Int16Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Int16Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Int16Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Int16Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Int16Array = function($0) {
  return this.add($0);
};
// ********** Code for _Int32ArrayImpl **************
$dynamic("is$List").Int32Array = function(){return true};
$dynamic("is$Collection").Int32Array = function(){return true};
$dynamic("get$length").Int32Array = function() { return this.length; };
$dynamic("$index").Int32Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Int32Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Int32Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Int32Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Int32Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Int32Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Int32Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Int32Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Int32Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Int32Array = function($0) {
  return this.add($0);
};
// ********** Code for _Int8ArrayImpl **************
$dynamic("is$List").Int8Array = function(){return true};
$dynamic("is$Collection").Int8Array = function(){return true};
$dynamic("get$length").Int8Array = function() { return this.length; };
$dynamic("$index").Int8Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Int8Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Int8Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Int8Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Int8Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Int8Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Int8Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Int8Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Int8Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Int8Array = function($0) {
  return this.add($0);
};
// ********** Code for _JavaScriptAudioNodeImpl **************
// ********** Code for _JavaScriptCallFrameImpl **************
// ********** Code for _KeyboardEventImpl **************
// ********** Code for _KeygenElementImpl **************
// ********** Code for _LIElementImpl **************
// ********** Code for _LabelElementImpl **************
// ********** Code for _LegendElementImpl **************
// ********** Code for _LinkElementImpl **************
// ********** Code for _MediaStreamImpl **************
// ********** Code for _LocalMediaStreamImpl **************
// ********** Code for _LocationImpl **************
// ********** Code for _MapElementImpl **************
// ********** Code for _MarqueeElementImpl **************
// ********** Code for _MediaControllerImpl **************
// ********** Code for _MediaElementAudioSourceNodeImpl **************
// ********** Code for _MediaErrorImpl **************
// ********** Code for _MediaListImpl **************
$dynamic("is$List").MediaList = function(){return true};
$dynamic("is$Collection").MediaList = function(){return true};
$dynamic("get$length").MediaList = function() { return this.length; };
$dynamic("$index").MediaList = function(index) {
  return this[index];
}
$dynamic("$setindex").MediaList = function(index, value) {
  $throw(new UnsupportedOperationException("Cannot assign element of immutable List."));
}
$dynamic("iterator").MediaList = function() {
  return new _FixedSizeListIterator_dart_core_String(this);
}
$dynamic("add").MediaList = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").MediaList = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").MediaList = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").MediaList = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").MediaList = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").MediaList = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").MediaList = function($0) {
  return this.add($0);
};
// ********** Code for _MediaQueryListImpl **************
// ********** Code for _MediaQueryListListenerImpl **************
// ********** Code for _MediaStreamEventImpl **************
// ********** Code for _MediaStreamListImpl **************
// ********** Code for _MediaStreamTrackImpl **************
// ********** Code for _MediaStreamTrackListImpl **************
// ********** Code for _MemoryInfoImpl **************
// ********** Code for _MenuElementImpl **************
// ********** Code for _MessageChannelImpl **************
// ********** Code for _MessageEventImpl **************
// ********** Code for _MessagePortImpl **************
// ********** Code for _MetaElementImpl **************
// ********** Code for _MetadataImpl **************
// ********** Code for _MeterElementImpl **************
// ********** Code for _ModElementImpl **************
// ********** Code for _MouseEventImpl **************
// ********** Code for _MutationCallbackImpl **************
// ********** Code for _MutationEventImpl **************
// ********** Code for _MutationRecordImpl **************
// ********** Code for _NamedNodeMapImpl **************
$dynamic("is$List").NamedNodeMap = function(){return true};
$dynamic("is$Collection").NamedNodeMap = function(){return true};
$dynamic("get$length").NamedNodeMap = function() { return this.length; };
$dynamic("$index").NamedNodeMap = function(index) {
  return this[index];
}
$dynamic("$setindex").NamedNodeMap = function(index, value) {
  $throw(new UnsupportedOperationException("Cannot assign element of immutable List."));
}
$dynamic("iterator").NamedNodeMap = function() {
  return new _FixedSizeListIterator_html_Node(this);
}
$dynamic("add").NamedNodeMap = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").NamedNodeMap = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").NamedNodeMap = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").NamedNodeMap = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").NamedNodeMap = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").NamedNodeMap = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").NamedNodeMap = function($0) {
  return this.add($0);
};
// ********** Code for _NavigatorImpl **************
// ********** Code for _NavigatorUserMediaErrorImpl **************
// ********** Code for _ChildNodeListLazy **************
function _ChildNodeListLazy(_this) {
  this._this = _this;
}
_ChildNodeListLazy.prototype.is$List = function(){return true};
_ChildNodeListLazy.prototype.is$Collection = function(){return true};
_ChildNodeListLazy.prototype.last = function() {
  return this._this.lastChild;
}
_ChildNodeListLazy.prototype.add = function(value) {
  this._this.appendChild(value);
}
_ChildNodeListLazy.prototype.addAll = function(collection) {
  for (var $$i = collection.iterator(); $$i.hasNext(); ) {
    var node = $$i.next();
    this._this.appendChild(node);
  }
}
_ChildNodeListLazy.prototype.removeLast = function() {
  var result = this.last();
  if ($ne$(result)) {
    this._this.removeChild(result);
  }
  return result;
}
_ChildNodeListLazy.prototype.clear$_ = function() {
  this._this.set$text("");
}
_ChildNodeListLazy.prototype.$setindex = function(index, value) {
  this._this.replaceChild(value, this.$index(index));
}
_ChildNodeListLazy.prototype.iterator = function() {
  return this._this.get$$$dom_childNodes().iterator();
}
_ChildNodeListLazy.prototype.forEach = function(f) {
  return _Collections.forEach(this, f);
}
_ChildNodeListLazy.prototype.filter = function(f) {
  return new _NodeListWrapper(_Collections.filter(this, [], f));
}
_ChildNodeListLazy.prototype.get$length = function() {
  return this._this.get$$$dom_childNodes().length;
}
_ChildNodeListLazy.prototype.$index = function(index) {
  return this._this.get$$$dom_childNodes().$index(index);
}
_ChildNodeListLazy.prototype.add$1 = _ChildNodeListLazy.prototype.add;
_ChildNodeListLazy.prototype.clear$0 = _ChildNodeListLazy.prototype.clear$_;
// ********** Code for _NodeFilterImpl **************
// ********** Code for _NodeIteratorImpl **************
// ********** Code for _ListWrapper_Node **************
$inherits(_ListWrapper_Node, _ListWrapper);
function _ListWrapper_Node(_list) {
  this._html_list = _list;
}
_ListWrapper_Node.prototype.add$1 = _ListWrapper_Node.prototype.add;
_ListWrapper_Node.prototype.clear$0 = _ListWrapper_Node.prototype.clear$_;
// ********** Code for _NodeListWrapper **************
$inherits(_NodeListWrapper, _ListWrapper_Node);
function _NodeListWrapper(list) {
  _ListWrapper_Node.call(this, list);
}
_NodeListWrapper.prototype.filter = function(f) {
  return new _NodeListWrapper(this._html_list.filter(f));
}
// ********** Code for _NodeListImpl **************
$dynamic("is$List").NodeList = function(){return true};
$dynamic("is$Collection").NodeList = function(){return true};
$dynamic("iterator").NodeList = function() {
  return new _FixedSizeListIterator_html_Node(this);
}
$dynamic("add").NodeList = function(value) {
  this._parent.appendChild(value);
}
$dynamic("addAll").NodeList = function(collection) {
  for (var $$i = collection.iterator(); $$i.hasNext(); ) {
    var node = $$i.next();
    this._parent.appendChild(node);
  }
}
$dynamic("removeLast").NodeList = function() {
  var result = this.last();
  if ($ne$(result)) {
    this._parent.removeChild(result);
  }
  return result;
}
$dynamic("clear$_").NodeList = function() {
  this._parent.set$text("");
}
$dynamic("$setindex").NodeList = function(index, value) {
  this._parent.replaceChild(value, this.$index(index));
}
$dynamic("forEach").NodeList = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").NodeList = function(f) {
  return new _NodeListWrapper(_Collections.filter(this, [], f));
}
$dynamic("last").NodeList = function() {
  return this.$index(this.length - (1));
}
$dynamic("get$length").NodeList = function() { return this.length; };
$dynamic("$index").NodeList = function(index) {
  return this[index];
}
$dynamic("add$1").NodeList = function($0) {
  return this.add($0);
};
$dynamic("clear$0").NodeList = function() {
  return this.clear$_();
};
// ********** Code for _NodeSelectorImpl **************
// ********** Code for _NotationImpl **************
// ********** Code for _NotificationImpl **************
// ********** Code for _NotificationCenterImpl **************
// ********** Code for _OESStandardDerivativesImpl **************
// ********** Code for _OESTextureFloatImpl **************
// ********** Code for _OESVertexArrayObjectImpl **************
// ********** Code for _OListElementImpl **************
// ********** Code for _ObjectElementImpl **************
// ********** Code for _OfflineAudioCompletionEventImpl **************
// ********** Code for _OperationNotAllowedExceptionImpl **************
// ********** Code for _OptGroupElementImpl **************
// ********** Code for _OptionElementImpl **************
// ********** Code for _OscillatorImpl **************
// ********** Code for _OutputElementImpl **************
// ********** Code for _OverflowEventImpl **************
// ********** Code for _PageTransitionEventImpl **************
// ********** Code for _ParagraphElementImpl **************
// ********** Code for _ParamElementImpl **************
// ********** Code for _PeerConnection00Impl **************
// ********** Code for _PerformanceImpl **************
// ********** Code for _PerformanceNavigationImpl **************
// ********** Code for _PerformanceTimingImpl **************
// ********** Code for _PointImpl **************
// ********** Code for _PopStateEventImpl **************
// ********** Code for _PositionErrorImpl **************
// ********** Code for _PreElementImpl **************
// ********** Code for _ProcessingInstructionImpl **************
// ********** Code for _ProgressElementImpl **************
// ********** Code for _ProgressEventImpl **************
// ********** Code for _QuoteElementImpl **************
// ********** Code for _RGBColorImpl **************
// ********** Code for _RangeImpl **************
// ********** Code for _RangeExceptionImpl **************
// ********** Code for _RealtimeAnalyserNodeImpl **************
// ********** Code for _RectImpl **************
// ********** Code for _SQLErrorImpl **************
// ********** Code for _SQLExceptionImpl **************
// ********** Code for _SQLResultSetImpl **************
// ********** Code for _SQLResultSetRowListImpl **************
// ********** Code for _SQLTransactionImpl **************
// ********** Code for _SQLTransactionSyncImpl **************
// ********** Code for _SVGElementImpl **************
$dynamic("get$elements").SVGElement = function() {
  return new FilteredElementList(this);
}
$dynamic("set$elements").SVGElement = function(value) {
  var elements = this.get$elements();
  elements.clear$0();
  elements.addAll(value);
}
$dynamic("set$innerHTML").SVGElement = function(svg) {
  var container = _ElementFactoryProvider.Element$tag$factory("div");
  container.set$innerHTML(("<svg version=\"1.1\">" + svg + "</svg>"));
  this.set$elements(container.get$elements().get$first().get$elements());
}
// ********** Code for _SVGAElementImpl **************
// ********** Code for _SVGAltGlyphDefElementImpl **************
// ********** Code for _SVGTextContentElementImpl **************
// ********** Code for _SVGTextPositioningElementImpl **************
// ********** Code for _SVGAltGlyphElementImpl **************
// ********** Code for _SVGAltGlyphItemElementImpl **************
// ********** Code for _SVGAngleImpl **************
// ********** Code for _SVGAnimationElementImpl **************
// ********** Code for _SVGAnimateColorElementImpl **************
// ********** Code for _SVGAnimateElementImpl **************
// ********** Code for _SVGAnimateMotionElementImpl **************
// ********** Code for _SVGAnimateTransformElementImpl **************
// ********** Code for _SVGAnimatedAngleImpl **************
// ********** Code for _SVGAnimatedBooleanImpl **************
// ********** Code for _SVGAnimatedEnumerationImpl **************
// ********** Code for _SVGAnimatedIntegerImpl **************
// ********** Code for _SVGAnimatedLengthImpl **************
// ********** Code for _SVGAnimatedLengthListImpl **************
// ********** Code for _SVGAnimatedNumberImpl **************
// ********** Code for _SVGAnimatedNumberListImpl **************
// ********** Code for _SVGAnimatedPreserveAspectRatioImpl **************
// ********** Code for _SVGAnimatedRectImpl **************
// ********** Code for _SVGAnimatedStringImpl **************
// ********** Code for _SVGAnimatedTransformListImpl **************
// ********** Code for _SVGCircleElementImpl **************
// ********** Code for _SVGClipPathElementImpl **************
// ********** Code for _SVGColorImpl **************
// ********** Code for _SVGComponentTransferFunctionElementImpl **************
// ********** Code for _SVGCursorElementImpl **************
// ********** Code for _SVGDefsElementImpl **************
// ********** Code for _SVGDescElementImpl **************
// ********** Code for _SVGDocumentImpl **************
// ********** Code for _SVGElementInstanceImpl **************
// ********** Code for _SVGElementInstanceListImpl **************
// ********** Code for _SVGEllipseElementImpl **************
// ********** Code for _SVGExceptionImpl **************
// ********** Code for _SVGExternalResourcesRequiredImpl **************
// ********** Code for _SVGFEBlendElementImpl **************
// ********** Code for _SVGFEColorMatrixElementImpl **************
// ********** Code for _SVGFEComponentTransferElementImpl **************
// ********** Code for _SVGFECompositeElementImpl **************
// ********** Code for _SVGFEConvolveMatrixElementImpl **************
// ********** Code for _SVGFEDiffuseLightingElementImpl **************
// ********** Code for _SVGFEDisplacementMapElementImpl **************
// ********** Code for _SVGFEDistantLightElementImpl **************
// ********** Code for _SVGFEDropShadowElementImpl **************
// ********** Code for _SVGFEFloodElementImpl **************
// ********** Code for _SVGFEFuncAElementImpl **************
// ********** Code for _SVGFEFuncBElementImpl **************
// ********** Code for _SVGFEFuncGElementImpl **************
// ********** Code for _SVGFEFuncRElementImpl **************
// ********** Code for _SVGFEGaussianBlurElementImpl **************
// ********** Code for _SVGFEImageElementImpl **************
// ********** Code for _SVGFEMergeElementImpl **************
// ********** Code for _SVGFEMergeNodeElementImpl **************
// ********** Code for _SVGFEMorphologyElementImpl **************
// ********** Code for _SVGFEOffsetElementImpl **************
// ********** Code for _SVGFEPointLightElementImpl **************
// ********** Code for _SVGFESpecularLightingElementImpl **************
// ********** Code for _SVGFESpotLightElementImpl **************
// ********** Code for _SVGFETileElementImpl **************
// ********** Code for _SVGFETurbulenceElementImpl **************
// ********** Code for _SVGFilterElementImpl **************
// ********** Code for _SVGStylableImpl **************
// ********** Code for _SVGFilterPrimitiveStandardAttributesImpl **************
// ********** Code for _SVGFitToViewBoxImpl **************
// ********** Code for _SVGFontElementImpl **************
// ********** Code for _SVGFontFaceElementImpl **************
// ********** Code for _SVGFontFaceFormatElementImpl **************
// ********** Code for _SVGFontFaceNameElementImpl **************
// ********** Code for _SVGFontFaceSrcElementImpl **************
// ********** Code for _SVGFontFaceUriElementImpl **************
// ********** Code for _SVGForeignObjectElementImpl **************
// ********** Code for _SVGGElementImpl **************
// ********** Code for _SVGGlyphElementImpl **************
// ********** Code for _SVGGlyphRefElementImpl **************
// ********** Code for _SVGGradientElementImpl **************
// ********** Code for _SVGHKernElementImpl **************
// ********** Code for _SVGImageElementImpl **************
// ********** Code for _SVGLangSpaceImpl **************
// ********** Code for _SVGLengthImpl **************
// ********** Code for _SVGLengthListImpl **************
$dynamic("clear$0").SVGLengthList = function() {
  return this.clear();
};
// ********** Code for _SVGLineElementImpl **************
// ********** Code for _SVGLinearGradientElementImpl **************
// ********** Code for _SVGLocatableImpl **************
// ********** Code for _SVGMPathElementImpl **************
// ********** Code for _SVGMarkerElementImpl **************
// ********** Code for _SVGMaskElementImpl **************
// ********** Code for _SVGMatrixImpl **************
// ********** Code for _SVGMetadataElementImpl **************
// ********** Code for _SVGMissingGlyphElementImpl **************
// ********** Code for _SVGNumberImpl **************
// ********** Code for _SVGNumberListImpl **************
$dynamic("clear$0").SVGNumberList = function() {
  return this.clear();
};
// ********** Code for _SVGPaintImpl **************
// ********** Code for _SVGPathElementImpl **************
// ********** Code for _SVGPathSegImpl **************
// ********** Code for _SVGPathSegArcAbsImpl **************
// ********** Code for _SVGPathSegArcRelImpl **************
// ********** Code for _SVGPathSegClosePathImpl **************
// ********** Code for _SVGPathSegCurvetoCubicAbsImpl **************
// ********** Code for _SVGPathSegCurvetoCubicRelImpl **************
// ********** Code for _SVGPathSegCurvetoCubicSmoothAbsImpl **************
// ********** Code for _SVGPathSegCurvetoCubicSmoothRelImpl **************
// ********** Code for _SVGPathSegCurvetoQuadraticAbsImpl **************
// ********** Code for _SVGPathSegCurvetoQuadraticRelImpl **************
// ********** Code for _SVGPathSegCurvetoQuadraticSmoothAbsImpl **************
// ********** Code for _SVGPathSegCurvetoQuadraticSmoothRelImpl **************
// ********** Code for _SVGPathSegLinetoAbsImpl **************
// ********** Code for _SVGPathSegLinetoHorizontalAbsImpl **************
// ********** Code for _SVGPathSegLinetoHorizontalRelImpl **************
// ********** Code for _SVGPathSegLinetoRelImpl **************
// ********** Code for _SVGPathSegLinetoVerticalAbsImpl **************
// ********** Code for _SVGPathSegLinetoVerticalRelImpl **************
// ********** Code for _SVGPathSegListImpl **************
$dynamic("clear$0").SVGPathSegList = function() {
  return this.clear();
};
// ********** Code for _SVGPathSegMovetoAbsImpl **************
// ********** Code for _SVGPathSegMovetoRelImpl **************
// ********** Code for _SVGPatternElementImpl **************
// ********** Code for _SVGPointImpl **************
// ********** Code for _SVGPointListImpl **************
$dynamic("clear$0").SVGPointList = function() {
  return this.clear();
};
// ********** Code for _SVGPolygonElementImpl **************
// ********** Code for _SVGPolylineElementImpl **************
// ********** Code for _SVGPreserveAspectRatioImpl **************
// ********** Code for _SVGRadialGradientElementImpl **************
// ********** Code for _SVGRectImpl **************
// ********** Code for _SVGRectElementImpl **************
// ********** Code for _SVGRenderingIntentImpl **************
// ********** Code for _SVGSVGElementImpl **************
// ********** Code for _SVGScriptElementImpl **************
// ********** Code for _SVGSetElementImpl **************
// ********** Code for _SVGStopElementImpl **************
// ********** Code for _SVGStringListImpl **************
$dynamic("clear$0").SVGStringList = function() {
  return this.clear();
};
// ********** Code for _SVGStyleElementImpl **************
// ********** Code for _SVGSwitchElementImpl **************
// ********** Code for _SVGSymbolElementImpl **************
// ********** Code for _SVGTRefElementImpl **************
// ********** Code for _SVGTSpanElementImpl **************
// ********** Code for _SVGTestsImpl **************
// ********** Code for _SVGTextElementImpl **************
// ********** Code for _SVGTextPathElementImpl **************
// ********** Code for _SVGTitleElementImpl **************
// ********** Code for _SVGTransformImpl **************
// ********** Code for _SVGTransformListImpl **************
$dynamic("clear$0").SVGTransformList = function() {
  return this.clear();
};
// ********** Code for _SVGTransformableImpl **************
// ********** Code for _SVGURIReferenceImpl **************
// ********** Code for _SVGUnitTypesImpl **************
// ********** Code for _SVGUseElementImpl **************
// ********** Code for _SVGVKernElementImpl **************
// ********** Code for _SVGViewElementImpl **************
// ********** Code for _SVGZoomAndPanImpl **************
// ********** Code for _SVGViewSpecImpl **************
// ********** Code for _SVGZoomEventImpl **************
// ********** Code for _ScreenImpl **************
// ********** Code for _ScriptElementImpl **************
// ********** Code for _ScriptProfileImpl **************
// ********** Code for _ScriptProfileNodeImpl **************
// ********** Code for _SelectElementImpl **************
// ********** Code for _SessionDescriptionImpl **************
// ********** Code for _ShadowElementImpl **************
// ********** Code for _ShadowRootImpl **************
$dynamic("set$innerHTML").ShadowRoot = function(value) { return this.innerHTML = value; };
// ********** Code for _SharedWorkerImpl **************
// ********** Code for _SharedWorkerContextImpl **************
// ********** Code for _SourceElementImpl **************
// ********** Code for _SpanElementImpl **************
// ********** Code for _SpeechGrammarImpl **************
// ********** Code for _SpeechGrammarListImpl **************
// ********** Code for _SpeechInputEventImpl **************
// ********** Code for _SpeechInputResultImpl **************
// ********** Code for _SpeechInputResultListImpl **************
// ********** Code for _SpeechRecognitionImpl **************
// ********** Code for _SpeechRecognitionAlternativeImpl **************
// ********** Code for _SpeechRecognitionErrorImpl **************
// ********** Code for _SpeechRecognitionEventImpl **************
// ********** Code for _SpeechRecognitionResultImpl **************
// ********** Code for _SpeechRecognitionResultListImpl **************
// ********** Code for _StorageImpl **************
$dynamic("is$Map").Storage = function(){return true};
$dynamic("$index").Storage = function(key) {
  return this.getItem(key);
}
$dynamic("$setindex").Storage = function(key, value) {
  return this.setItem(key, value);
}
$dynamic("clear$_").Storage = function() {
  return this.clear();
}
$dynamic("forEach").Storage = function(f) {
  for (var i = (0);
   true; i = $add$(i, (1))) {
    var key = this.key(i);
    if ($eq$(key)) return;
    f(key, this.$index(key));
  }
}
$dynamic("clear$0").Storage = function() {
  return this.clear$_();
};
// ********** Code for _StorageEventImpl **************
// ********** Code for _StorageInfoImpl **************
// ********** Code for _StyleElementImpl **************
// ********** Code for _StyleMediaImpl **************
// ********** Code for _StyleSheetListImpl **************
$dynamic("is$List").StyleSheetList = function(){return true};
$dynamic("is$Collection").StyleSheetList = function(){return true};
$dynamic("get$length").StyleSheetList = function() { return this.length; };
$dynamic("$index").StyleSheetList = function(index) {
  return this[index];
}
$dynamic("$setindex").StyleSheetList = function(index, value) {
  $throw(new UnsupportedOperationException("Cannot assign element of immutable List."));
}
$dynamic("iterator").StyleSheetList = function() {
  return new _FixedSizeListIterator_html_StyleSheet(this);
}
$dynamic("add").StyleSheetList = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").StyleSheetList = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").StyleSheetList = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").StyleSheetList = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").StyleSheetList = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").StyleSheetList = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").StyleSheetList = function($0) {
  return this.add($0);
};
// ********** Code for _TableCaptionElementImpl **************
// ********** Code for _TableCellElementImpl **************
// ********** Code for _TableColElementImpl **************
// ********** Code for _TableElementImpl **************
// ********** Code for _TableRowElementImpl **************
// ********** Code for _TableSectionElementImpl **************
// ********** Code for _TextAreaElementImpl **************
// ********** Code for _TextEventImpl **************
// ********** Code for _TextMetricsImpl **************
// ********** Code for _TextTrackImpl **************
// ********** Code for _TextTrackCueImpl **************
// ********** Code for _TextTrackCueListImpl **************
// ********** Code for _TextTrackListImpl **************
// ********** Code for _TimeRangesImpl **************
// ********** Code for _TitleElementImpl **************
// ********** Code for _TouchImpl **************
// ********** Code for _TouchEventImpl **************
// ********** Code for _TouchListImpl **************
$dynamic("is$List").TouchList = function(){return true};
$dynamic("is$Collection").TouchList = function(){return true};
$dynamic("get$length").TouchList = function() { return this.length; };
$dynamic("$index").TouchList = function(index) {
  return this[index];
}
$dynamic("$setindex").TouchList = function(index, value) {
  $throw(new UnsupportedOperationException("Cannot assign element of immutable List."));
}
$dynamic("iterator").TouchList = function() {
  return new _FixedSizeListIterator_html_Touch(this);
}
$dynamic("add").TouchList = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").TouchList = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").TouchList = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").TouchList = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").TouchList = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").TouchList = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").TouchList = function($0) {
  return this.add($0);
};
// ********** Code for _TrackElementImpl **************
// ********** Code for _TrackEventImpl **************
// ********** Code for _TransitionEventImpl **************
// ********** Code for _TreeWalkerImpl **************
// ********** Code for _UListElementImpl **************
// ********** Code for _Uint16ArrayImpl **************
$dynamic("is$List").Uint16Array = function(){return true};
$dynamic("is$Collection").Uint16Array = function(){return true};
$dynamic("get$length").Uint16Array = function() { return this.length; };
$dynamic("$index").Uint16Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Uint16Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Uint16Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Uint16Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Uint16Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Uint16Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Uint16Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Uint16Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Uint16Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Uint16Array = function($0) {
  return this.add($0);
};
// ********** Code for _Uint32ArrayImpl **************
$dynamic("is$List").Uint32Array = function(){return true};
$dynamic("is$Collection").Uint32Array = function(){return true};
$dynamic("get$length").Uint32Array = function() { return this.length; };
$dynamic("$index").Uint32Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Uint32Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Uint32Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Uint32Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Uint32Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Uint32Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Uint32Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Uint32Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Uint32Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Uint32Array = function($0) {
  return this.add($0);
};
// ********** Code for _Uint8ArrayImpl **************
$dynamic("is$List").Uint8Array = function(){return true};
$dynamic("is$Collection").Uint8Array = function(){return true};
$dynamic("get$length").Uint8Array = function() { return this.length; };
$dynamic("$index").Uint8Array = function(index) {
  return this[index];
}
$dynamic("$setindex").Uint8Array = function(index, value) {
  this[index] = value
}
$dynamic("iterator").Uint8Array = function() {
  return new _FixedSizeListIterator_int(this);
}
$dynamic("add").Uint8Array = function(value) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("addAll").Uint8Array = function(collection) {
  $throw(new UnsupportedOperationException("Cannot add to immutable List."));
}
$dynamic("forEach").Uint8Array = function(f) {
  return _Collections.forEach(this, f);
}
$dynamic("filter").Uint8Array = function(f) {
  return _Collections.filter(this, [], f);
}
$dynamic("last").Uint8Array = function() {
  return this.$index(this.length - (1));
}
$dynamic("removeLast").Uint8Array = function() {
  $throw(new UnsupportedOperationException("Cannot removeLast on immutable List."));
}
$dynamic("add$1").Uint8Array = function($0) {
  return this.add($0);
};
// ********** Code for _Uint8ClampedArrayImpl **************
// ********** Code for _UnknownElementImpl **************
// ********** Code for _ValidityStateImpl **************
// ********** Code for _VideoElementImpl **************
// ********** Code for _WaveShaperNodeImpl **************
// ********** Code for _WaveTableImpl **************
// ********** Code for _WebGLActiveInfoImpl **************
// ********** Code for _WebGLBufferImpl **************
// ********** Code for _WebGLCompressedTextureS3TCImpl **************
// ********** Code for _WebGLContextAttributesImpl **************
// ********** Code for _WebGLContextEventImpl **************
// ********** Code for _WebGLDebugRendererInfoImpl **************
// ********** Code for _WebGLDebugShadersImpl **************
// ********** Code for _WebGLFramebufferImpl **************
// ********** Code for _WebGLLoseContextImpl **************
// ********** Code for _WebGLProgramImpl **************
// ********** Code for _WebGLRenderbufferImpl **************
// ********** Code for _WebGLRenderingContextImpl **************
// ********** Code for _WebGLShaderImpl **************
// ********** Code for _WebGLShaderPrecisionFormatImpl **************
// ********** Code for _WebGLTextureImpl **************
// ********** Code for _WebGLUniformLocationImpl **************
// ********** Code for _WebGLVertexArrayObjectOESImpl **************
// ********** Code for _WebKitCSSRegionRuleImpl **************
// ********** Code for _WebKitMutationObserverImpl **************
// ********** Code for _WebKitNamedFlowImpl **************
// ********** Code for _WebSocketImpl **************
// ********** Code for _WheelEventImpl **************
// ********** Code for _WindowImpl **************
// ********** Code for _WorkerImpl **************
// ********** Code for _WorkerLocationImpl **************
// ********** Code for _WorkerNavigatorImpl **************
// ********** Code for _XMLHttpRequestImpl **************
// ********** Code for _XMLHttpRequestExceptionImpl **************
// ********** Code for _XMLHttpRequestProgressEventImpl **************
// ********** Code for _XMLHttpRequestUploadImpl **************
// ********** Code for _XMLSerializerImpl **************
// ********** Code for _XPathEvaluatorImpl **************
// ********** Code for _XPathExceptionImpl **************
// ********** Code for _XPathExpressionImpl **************
// ********** Code for _XPathNSResolverImpl **************
// ********** Code for _XPathResultImpl **************
// ********** Code for _XSLTProcessorImpl **************
// ********** Code for _Collections **************
function _Collections() {}
_Collections.forEach = function(iterable, f) {
  for (var $$i = iterable.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    f(e);
  }
}
_Collections.filter = function(source, destination, f) {
  for (var $$i = source.iterator(); $$i.hasNext(); ) {
    var e = $$i.next();
    if (f(e)) destination.add(e);
  }
  return destination;
}
// ********** Code for _VariableSizeListIterator **************
function _VariableSizeListIterator() {}
_VariableSizeListIterator.prototype.hasNext = function() {
  return this._html_array.get$length() > this._html_pos;
}
_VariableSizeListIterator.prototype.next = function() {
  if (!this.hasNext()) {
    $throw(const$0001);
  }
  return this._html_array.$index(this._html_pos++);
}
// ********** Code for _FixedSizeListIterator **************
$inherits(_FixedSizeListIterator, _VariableSizeListIterator);
function _FixedSizeListIterator() {}
_FixedSizeListIterator.prototype.hasNext = function() {
  return this._html_length > this._html_pos;
}
// ********** Code for _VariableSizeListIterator_dart_core_String **************
$inherits(_VariableSizeListIterator_dart_core_String, _VariableSizeListIterator);
function _VariableSizeListIterator_dart_core_String(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_dart_core_String **************
$inherits(_FixedSizeListIterator_dart_core_String, _FixedSizeListIterator);
function _FixedSizeListIterator_dart_core_String(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_dart_core_String.call(this, array);
}
// ********** Code for _VariableSizeListIterator_int **************
$inherits(_VariableSizeListIterator_int, _VariableSizeListIterator);
function _VariableSizeListIterator_int(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_int **************
$inherits(_FixedSizeListIterator_int, _FixedSizeListIterator);
function _FixedSizeListIterator_int(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_int.call(this, array);
}
// ********** Code for _VariableSizeListIterator_num **************
$inherits(_VariableSizeListIterator_num, _VariableSizeListIterator);
function _VariableSizeListIterator_num(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_num **************
$inherits(_FixedSizeListIterator_num, _FixedSizeListIterator);
function _FixedSizeListIterator_num(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_num.call(this, array);
}
// ********** Code for _VariableSizeListIterator_html_Node **************
$inherits(_VariableSizeListIterator_html_Node, _VariableSizeListIterator);
function _VariableSizeListIterator_html_Node(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_html_Node **************
$inherits(_FixedSizeListIterator_html_Node, _FixedSizeListIterator);
function _FixedSizeListIterator_html_Node(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_html_Node.call(this, array);
}
// ********** Code for _VariableSizeListIterator_html_StyleSheet **************
$inherits(_VariableSizeListIterator_html_StyleSheet, _VariableSizeListIterator);
function _VariableSizeListIterator_html_StyleSheet(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_html_StyleSheet **************
$inherits(_FixedSizeListIterator_html_StyleSheet, _FixedSizeListIterator);
function _FixedSizeListIterator_html_StyleSheet(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_html_StyleSheet.call(this, array);
}
// ********** Code for _VariableSizeListIterator_html_Touch **************
$inherits(_VariableSizeListIterator_html_Touch, _VariableSizeListIterator);
function _VariableSizeListIterator_html_Touch(array) {
  this._html_array = array;
  this._html_pos = (0);
}
// ********** Code for _FixedSizeListIterator_html_Touch **************
$inherits(_FixedSizeListIterator_html_Touch, _FixedSizeListIterator);
function _FixedSizeListIterator_html_Touch(array) {
  this._html_length = array.get$length();
  _VariableSizeListIterator_html_Touch.call(this, array);
}
// ********** Code for top level **************
function get$$window() {
  return window;
}
function get$$document() {
  return document;
}
var _cachedBrowserPrefix;
var _pendingRequests;
var _pendingMeasurementFrameCallbacks;
//  ********** Library C:\Users\Saransh\dart\Snakes\Snakes **************
// ********** Code for top level **************
var bonusx;
var bonusy;
var ctx;
function draw() {
  $globals.ctx.clearRect((0), (0), (450), (300));
  $globals.ctx.fillStyle = "#FF0000";
  $globals.ctx.fillRect($globals.posx * (10), $globals.posy * (10), (10), (10));
  $globals.ctx.fillStyle = "#FFFF00";
  $globals.ctx.fillRect($globals.bonusx * (10), $globals.bonusy * (10), (10), (10));
  var ms = get$$document().query("#msg");
  ms.set$innerHTML($add$("SCORE: ", $globals.score.toString()));
}
function func() {
  switch ($globals.flag) {
    case (1):

      $globals.posx--;
      draw();
      break;

    case (2):

      $globals.posx++;
      draw();
      break;

    case (3):

      $globals.posy++;
      draw();
      break;

    case (4):

      $globals.posy--;
      draw();
      break;

  }
  if ((($globals.posx == $globals.bonusx && $globals.posy == $globals.bonusy)) && $globals.fl == (0)) {
    $globals.bonusx = ($mod$((Math.random() * (100)).floor(), (46)));
    $globals.bonusy = $mod$((Math.random() * (100)).floor(), (31));
    $globals.score = $globals.score + (10);
    $globals.x = $globals.x + (5);
  }
  if ($globals.posx < (0) || $globals.posx >= (46) || $globals.posy < (0) || $globals.posy >= (31)) {
    var msg_score = get$$document().query("#msg");
    $globals.fl = (1);
    msg_score.set$innerHTML($add$("Thank you for playing the game.<br /> Your Score : <b>" + $globals.score, "</b><br /><br /><input type='button' value='Play Again' id='play' />"));
    get$$document().query("#play").get$on().get$click().add$1((function (e) {
      print$("hi");
    })
    );
    get$$document().query("#playArea").style.set$display("none");
    get$$window().clearInterval($globals.value);
  }
}
var value;
function main() {
  var canvas = get$$document().query("#playArea");
  $globals.ctx = canvas.getContext("2d");
  $globals.bonusx = ($mod$((Math.random() * (100)).floor(), (46)));
  $globals.bonusy = $mod$((Math.random() * (100)).floor(), (31));
  $globals.value = get$$window().setInterval(func, (30) - $globals.x);
  if ($globals.fl == (0)) {
    get$$document().get$on().get$keyDown().add((function (e) {
      var ke = e;
      if (ke.keyIdentifier == "U+0061" || ke.keyIdentifier == "U+0041") {
        $globals.posx--;
        draw();
        $globals.flag = (1);
      }
      else if (ke.keyIdentifier == "U+0064" || ke.keyIdentifier == "U+0044") {
        $globals.posx++;
        draw();
        $globals.flag = (2);
      }
      else if (ke.keyIdentifier == "U+0053" || ke.keyIdentifier == "U+0073") {
        $globals.posy++;
        draw();
        $globals.flag = (3);
      }
      else if (ke.keyIdentifier == "U+0077" || ke.keyIdentifier == "U+0057") {
        $globals.posy--;
        draw();
        $globals.flag = (4);
      }
    })
    , false);
  }
}
// 37 dynamic types.
// 203 types
// 17 !leaf
(function(){
  var v0/*SVGElement*/ = 'SVGElement|SVGAElement|SVGAltGlyphDefElement|SVGAltGlyphItemElement|SVGAnimationElement|SVGAnimateColorElement|SVGAnimateElement|SVGAnimateMotionElement|SVGAnimateTransformElement|SVGSetElement|SVGCircleElement|SVGClipPathElement|SVGComponentTransferFunctionElement|SVGFEFuncAElement|SVGFEFuncBElement|SVGFEFuncGElement|SVGFEFuncRElement|SVGCursorElement|SVGDefsElement|SVGDescElement|SVGEllipseElement|SVGFEBlendElement|SVGFEColorMatrixElement|SVGFEComponentTransferElement|SVGFECompositeElement|SVGFEConvolveMatrixElement|SVGFEDiffuseLightingElement|SVGFEDisplacementMapElement|SVGFEDistantLightElement|SVGFEDropShadowElement|SVGFEFloodElement|SVGFEGaussianBlurElement|SVGFEImageElement|SVGFEMergeElement|SVGFEMergeNodeElement|SVGFEMorphologyElement|SVGFEOffsetElement|SVGFEPointLightElement|SVGFESpecularLightingElement|SVGFESpotLightElement|SVGFETileElement|SVGFETurbulenceElement|SVGFilterElement|SVGFontElement|SVGFontFaceElement|SVGFontFaceFormatElement|SVGFontFaceNameElement|SVGFontFaceSrcElement|SVGFontFaceUriElement|SVGForeignObjectElement|SVGGElement|SVGGlyphElement|SVGGlyphRefElement|SVGGradientElement|SVGLinearGradientElement|SVGRadialGradientElement|SVGHKernElement|SVGImageElement|SVGLineElement|SVGMPathElement|SVGMarkerElement|SVGMaskElement|SVGMetadataElement|SVGMissingGlyphElement|SVGPathElement|SVGPatternElement|SVGPolygonElement|SVGPolylineElement|SVGRectElement|SVGSVGElement|SVGScriptElement|SVGStopElement|SVGStyleElement|SVGSwitchElement|SVGSymbolElement|SVGTextContentElement|SVGTextPathElement|SVGTextPositioningElement|SVGAltGlyphElement|SVGTRefElement|SVGTSpanElement|SVGTextElement|SVGTitleElement|SVGUseElement|SVGVKernElement|SVGViewElement';
  var v1/*HTMLDocument*/ = 'HTMLDocument|SVGDocument';
  var v2/*DocumentFragment*/ = 'DocumentFragment|ShadowRoot';
  var v3/*Element*/ = [v0/*SVGElement*/,'Element|HTMLElement|HTMLAnchorElement|HTMLAppletElement|HTMLAreaElement|HTMLBRElement|HTMLBaseElement|HTMLBaseFontElement|HTMLBodyElement|HTMLButtonElement|HTMLCanvasElement|HTMLContentElement|HTMLDListElement|HTMLDetailsElement|HTMLDirectoryElement|HTMLDivElement|HTMLEmbedElement|HTMLFieldSetElement|HTMLFontElement|HTMLFormElement|HTMLFrameElement|HTMLFrameSetElement|HTMLHRElement|HTMLHeadElement|HTMLHeadingElement|HTMLHtmlElement|HTMLIFrameElement|HTMLImageElement|HTMLInputElement|HTMLKeygenElement|HTMLLIElement|HTMLLabelElement|HTMLLegendElement|HTMLLinkElement|HTMLMapElement|HTMLMarqueeElement|HTMLMediaElement|HTMLAudioElement|HTMLVideoElement|HTMLMenuElement|HTMLMetaElement|HTMLMeterElement|HTMLModElement|HTMLOListElement|HTMLObjectElement|HTMLOptGroupElement|HTMLOptionElement|HTMLOutputElement|HTMLParagraphElement|HTMLParamElement|HTMLPreElement|HTMLProgressElement|HTMLQuoteElement|HTMLScriptElement|HTMLSelectElement|HTMLShadowElement|HTMLSourceElement|HTMLSpanElement|HTMLStyleElement|HTMLTableCaptionElement|HTMLTableCellElement|HTMLTableColElement|HTMLTableElement|HTMLTableRowElement|HTMLTableSectionElement|HTMLTextAreaElement|HTMLTitleElement|HTMLTrackElement|HTMLUListElement|HTMLUnknownElement'].join('|');
  var table = [
    // [dynamic-dispatch-tag, tags of classes implementing dynamic-dispatch-tag]
    ['DOMTokenList', 'DOMTokenList|DOMSettableTokenList']
    , ['HTMLDocument', v1/*HTMLDocument*/]
    , ['DocumentFragment', v2/*DocumentFragment*/]
    , ['SVGElement', v0/*SVGElement*/]
    , ['Element', v3/*Element*/]
    , ['EntrySync', 'EntrySync|DirectoryEntrySync|FileEntrySync']
    , ['HTMLCollection', 'HTMLCollection|HTMLOptionsCollection']
    , ['Node', [v1/*HTMLDocument*/,v2/*DocumentFragment*/,v3/*Element*/,'Node|Attr|CharacterData|Comment|Text|CDATASection|DocumentType|Entity|EntityReference|Notation|ProcessingInstruction'].join('|')]
    , ['Uint8Array', 'Uint8Array|Uint8ClampedArray']
  ];
  $dynamicSetMetadata(table);
})();
//  ********** Globals **************
function $static_init(){
  $globals.fl = (0);
  $globals.flag = (3);
  $globals.posx = (0);
  $globals.posy = (0);
  $globals.score = (0);
  $globals.x = (0);
}
var const$0000 = Object.create(_DeletedKeySentinel.prototype, {});
var const$0001 = Object.create(NoMoreElementsException.prototype, {});
var const$0002 = new JSSyntaxRegExp("^#[_a-zA-Z]\\w*$");
var const$0007 = Object.create(EmptyQueueException.prototype, {});
var const$0008 = Object.create(UnsupportedOperationException.prototype, {_message: {"value": "", writeable: false}});
var $globals = {};
$static_init();
if (typeof window != 'undefined' && typeof document != 'undefined' &&
    window.addEventListener && document.readyState == 'loading') {
  window.addEventListener('DOMContentLoaded', function(e) {
    main();
  });
} else {
  main();
}