/**
 * Modules in this bundle
 * @license
 *
 * call-matcher:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: Takuto Wada <takuto.wada@gmail.com>
 *   homepage: https://github.com/twada/call-matcher
 *   version: 1.0.1
 *
 * core-js:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   maintainers: zloirock <zloirock@zloirock.ru>
 *   homepage: https://github.com/zloirock/core-js#readme
 *   version: 2.4.1
 *
 * deep-equal:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: James Halliday <mail@substack.net>
 *   maintainers: substack <mail@substack.net>
 *   homepage: https://github.com/substack/node-deep-equal#readme
 *   version: 1.0.1
 *
 * espurify:
 *   license: MIT (http://opensource.org/licenses/MIT)
 *   author: Takuto Wada <takuto.wada@gmail.com>
 *   maintainers: twada <takuto.wada@gmail.com>
 *   homepage: https://github.com/estools/espurify
 *   version: 1.6.0
 *
 * estraverse:
 *   license: BSD-2-Clause (http://opensource.org/licenses/BSD-2-Clause)
 *   maintainers: constellation <utatane.tea@gmail.com>, michaelficarra <npm@michael.ficarra.me>, nzakas <nicholas@nczconsulting.com>
 *   homepage: https://github.com/estools/estraverse
 *   version: 4.2.0
 *
 * This header is generated by licensify (https://github.com/twada/licensify)
 */
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.CallMatcher = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw (f.code="MODULE_NOT_FOUND", f)}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
/**
 * call-matcher:
 *   ECMAScript CallExpression matcher made from function/method signature
 * 
 * https://github.com/twada/call-matcher
 *
 * Copyright (c) 2015-2016 Takuto Wada
 * Licensed under the MIT license.
 *   https://github.com/twada/call-matcher/blob/master/MIT-LICENSE.txt
 */
'use strict';
/* jshint -W024 */

var estraverse = _dereq_('estraverse');
var espurify = _dereq_('espurify');
var syntax = estraverse.Syntax;
var hasOwn = Object.prototype.hasOwnProperty;
var forEach = _dereq_('core-js/library/fn/array/for-each');
var map = _dereq_('core-js/library/fn/array/map');
var filter = _dereq_('core-js/library/fn/array/filter');
var reduce = _dereq_('core-js/library/fn/array/reduce');
var indexOf = _dereq_('core-js/library/fn/array/index-of');
var deepEqual = _dereq_('deep-equal');
var notCallExprMessage = 'Argument should be in the form of CallExpression';
var duplicatedArgMessage = 'Duplicate argument name: ';
var invalidFormMessage = 'Argument should be in the form of `name` or `[name]`';

function CallMatcher (signatureAst, options) {
    validateApiExpression(signatureAst);
    options = options || {};
    this.visitorKeys = options.visitorKeys || estraverse.VisitorKeys;
    if (options.astWhiteList) {
        this.purifyAst = espurify.cloneWithWhitelist(options.astWhiteList);
    } else {
        this.purifyAst = espurify;
    }
    this.signatureAst = signatureAst;
    this.signatureCalleeDepth = astDepth(signatureAst.callee, this.visitorKeys);
    this.numMaxArgs = this.signatureAst.arguments.length;
    this.numMinArgs = filter(this.signatureAst.arguments, identifiers).length;
}

CallMatcher.prototype.test = function (currentNode) {
    var calleeMatched = this.isCalleeMatched(currentNode);
    var numArgs;
    if (calleeMatched) {
        numArgs = currentNode.arguments.length;
        return this.numMinArgs <= numArgs && numArgs <= this.numMaxArgs;
    }
    return false;
};

CallMatcher.prototype.matchArgument = function (currentNode, parentNode) {
    if (isCalleeOfParent(currentNode, parentNode)) {
        return null;
    }
    if (this.test(parentNode)) {
        var indexOfCurrentArg = indexOf(parentNode.arguments, currentNode);
        var numOptional = parentNode.arguments.length - this.numMinArgs;
        var matchedSignatures = reduce(this.argumentSignatures(), function (accum, argSig) {
            if (argSig.kind === 'mandatory') {
                accum.push(argSig);
            }
            if (argSig.kind === 'optional' && 0 < numOptional) {
                numOptional -= 1;
                accum.push(argSig);
            }
            return accum;
        }, []);
        return matchedSignatures[indexOfCurrentArg];
    }
    return null;
};

CallMatcher.prototype.calleeAst = function () {
    return this.purifyAst(this.signatureAst.callee);
};

CallMatcher.prototype.argumentSignatures = function () {
    return map(this.signatureAst.arguments, toArgumentSignature);
};

CallMatcher.prototype.isCalleeMatched = function (node) {
    if (!isCallExpression(node)) {
        return false;
    }
    if (!this.isSameDepthAsSignatureCallee(node.callee)) {
        return false;
    }
    return deepEqual(this.purifyAst(this.signatureAst.callee), this.purifyAst(node.callee));
};

CallMatcher.prototype.isSameDepthAsSignatureCallee = function (ast) {
    var depth = this.signatureCalleeDepth;
    var currentDepth = 0;
    estraverse.traverse(ast, {
        keys: this.visitorKeys,
        enter: function (currentNode, parentNode) {
            var path = this.path();
            var pathDepth = path ? path.length : 0;
            if (currentDepth < pathDepth) {
                currentDepth = pathDepth;
            }
            if (depth < currentDepth) {
                this['break']();
            }
        }
    });
    return (depth === currentDepth);
};

function toArgumentSignature (argSignatureNode) {
    switch(argSignatureNode.type) {
    case syntax.Identifier:
        return {
            name: argSignatureNode.name,
            kind: 'mandatory'
        };
    case syntax.ArrayExpression:
        return {
            name: argSignatureNode.elements[0].name,
            kind: 'optional'
        };
    default:
        return null;
    }
}

function astDepth (ast, visitorKeys) {
    var maxDepth = 0;
    estraverse.traverse(ast, {
        keys: visitorKeys,
        enter: function (currentNode, parentNode) {
            var path = this.path();
            var pathDepth = path ? path.length : 0;
            if (maxDepth < pathDepth) {
                maxDepth = pathDepth;
            }
        }
    });
    return maxDepth;
}

function isCallExpression (node) {
    return node && node.type === syntax.CallExpression;
}

function isCalleeOfParent(currentNode, parentNode) {
    return parentNode && currentNode &&
        parentNode.type === syntax.CallExpression &&
        parentNode.callee === currentNode;
}

function identifiers (node) {
    return node.type === syntax.Identifier;
}

function validateApiExpression (callExpression) {
    if (!callExpression || !callExpression.type) {
        throw new Error(notCallExprMessage);
    }
    if (callExpression.type !== syntax.CallExpression) {
        throw new Error(notCallExprMessage);
    }
    var names = {};
    forEach(callExpression.arguments, function (arg) {
        var name = validateArg(arg);
        if (hasOwn.call(names, name)) {
            throw new Error(duplicatedArgMessage + name);
        } else {
            names[name] = name;
        }
    });
}

function validateArg (arg) {
    var inner;
    switch(arg.type) {
    case syntax.Identifier:
        return arg.name;
    case syntax.ArrayExpression:
        if (arg.elements.length !== 1) {
            throw new Error(invalidFormMessage);
        }
        inner = arg.elements[0];
        if (inner.type !== syntax.Identifier) {
            throw new Error(invalidFormMessage);
        }
        return inner.name;
    default:
        throw new Error(invalidFormMessage);
    }
}

module.exports = CallMatcher;

},{"core-js/library/fn/array/filter":2,"core-js/library/fn/array/for-each":3,"core-js/library/fn/array/index-of":4,"core-js/library/fn/array/map":6,"core-js/library/fn/array/reduce":7,"deep-equal":60,"espurify":63,"estraverse":67}],2:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.filter');
module.exports = _dereq_('../../modules/_core').Array.filter;
},{"../../modules/_core":18,"../../modules/es6.array.filter":52}],3:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.for-each');
module.exports = _dereq_('../../modules/_core').Array.forEach;
},{"../../modules/_core":18,"../../modules/es6.array.for-each":53}],4:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.index-of');
module.exports = _dereq_('../../modules/_core').Array.indexOf;
},{"../../modules/_core":18,"../../modules/es6.array.index-of":54}],5:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.is-array');
module.exports = _dereq_('../../modules/_core').Array.isArray;
},{"../../modules/_core":18,"../../modules/es6.array.is-array":55}],6:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.map');
module.exports = _dereq_('../../modules/_core').Array.map;
},{"../../modules/_core":18,"../../modules/es6.array.map":56}],7:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.array.reduce');
module.exports = _dereq_('../../modules/_core').Array.reduce;
},{"../../modules/_core":18,"../../modules/es6.array.reduce":57}],8:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.object.assign');
module.exports = _dereq_('../../modules/_core').Object.assign;
},{"../../modules/_core":18,"../../modules/es6.object.assign":58}],9:[function(_dereq_,module,exports){
_dereq_('../../modules/es6.object.keys');
module.exports = _dereq_('../../modules/_core').Object.keys;
},{"../../modules/_core":18,"../../modules/es6.object.keys":59}],10:[function(_dereq_,module,exports){
module.exports = function(it){
  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
  return it;
};
},{}],11:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object');
module.exports = function(it){
  if(!isObject(it))throw TypeError(it + ' is not an object!');
  return it;
};
},{"./_is-object":32}],12:[function(_dereq_,module,exports){
// false -> Array#indexOf
// true  -> Array#includes
var toIObject = _dereq_('./_to-iobject')
  , toLength  = _dereq_('./_to-length')
  , toIndex   = _dereq_('./_to-index');
module.exports = function(IS_INCLUDES){
  return function($this, el, fromIndex){
    var O      = toIObject($this)
      , length = toLength(O.length)
      , index  = toIndex(fromIndex, length)
      , value;
    // Array#includes uses SameValueZero equality algorithm
    if(IS_INCLUDES && el != el)while(length > index){
      value = O[index++];
      if(value != value)return true;
    // Array#toIndex ignores holes, Array#includes - not
    } else for(;length > index; index++)if(IS_INCLUDES || index in O){
      if(O[index] === el)return IS_INCLUDES || index || 0;
    } return !IS_INCLUDES && -1;
  };
};
},{"./_to-index":44,"./_to-iobject":46,"./_to-length":47}],13:[function(_dereq_,module,exports){
// 0 -> Array#forEach
// 1 -> Array#map
// 2 -> Array#filter
// 3 -> Array#some
// 4 -> Array#every
// 5 -> Array#find
// 6 -> Array#findIndex
var ctx      = _dereq_('./_ctx')
  , IObject  = _dereq_('./_iobject')
  , toObject = _dereq_('./_to-object')
  , toLength = _dereq_('./_to-length')
  , asc      = _dereq_('./_array-species-create');
module.exports = function(TYPE, $create){
  var IS_MAP        = TYPE == 1
    , IS_FILTER     = TYPE == 2
    , IS_SOME       = TYPE == 3
    , IS_EVERY      = TYPE == 4
    , IS_FIND_INDEX = TYPE == 6
    , NO_HOLES      = TYPE == 5 || IS_FIND_INDEX
    , create        = $create || asc;
  return function($this, callbackfn, that){
    var O      = toObject($this)
      , self   = IObject(O)
      , f      = ctx(callbackfn, that, 3)
      , length = toLength(self.length)
      , index  = 0
      , result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined
      , val, res;
    for(;length > index; index++)if(NO_HOLES || index in self){
      val = self[index];
      res = f(val, index, O);
      if(TYPE){
        if(IS_MAP)result[index] = res;            // map
        else if(res)switch(TYPE){
          case 3: return true;                    // some
          case 5: return val;                     // find
          case 6: return index;                   // findIndex
          case 2: result.push(val);               // filter
        } else if(IS_EVERY)return false;          // every
      }
    }
    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
  };
};
},{"./_array-species-create":16,"./_ctx":19,"./_iobject":30,"./_to-length":47,"./_to-object":48}],14:[function(_dereq_,module,exports){
var aFunction = _dereq_('./_a-function')
  , toObject  = _dereq_('./_to-object')
  , IObject   = _dereq_('./_iobject')
  , toLength  = _dereq_('./_to-length');

module.exports = function(that, callbackfn, aLen, memo, isRight){
  aFunction(callbackfn);
  var O      = toObject(that)
    , self   = IObject(O)
    , length = toLength(O.length)
    , index  = isRight ? length - 1 : 0
    , i      = isRight ? -1 : 1;
  if(aLen < 2)for(;;){
    if(index in self){
      memo = self[index];
      index += i;
      break;
    }
    index += i;
    if(isRight ? index < 0 : length <= index){
      throw TypeError('Reduce of empty array with no initial value');
    }
  }
  for(;isRight ? index >= 0 : length > index; index += i)if(index in self){
    memo = callbackfn(memo, self[index], index, O);
  }
  return memo;
};
},{"./_a-function":10,"./_iobject":30,"./_to-length":47,"./_to-object":48}],15:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object')
  , isArray  = _dereq_('./_is-array')
  , SPECIES  = _dereq_('./_wks')('species');

module.exports = function(original){
  var C;
  if(isArray(original)){
    C = original.constructor;
    // cross-realm fallback
    if(typeof C == 'function' && (C === Array || isArray(C.prototype)))C = undefined;
    if(isObject(C)){
      C = C[SPECIES];
      if(C === null)C = undefined;
    }
  } return C === undefined ? Array : C;
};
},{"./_is-array":31,"./_is-object":32,"./_wks":51}],16:[function(_dereq_,module,exports){
// 9.4.2.3 ArraySpeciesCreate(originalArray, length)
var speciesConstructor = _dereq_('./_array-species-constructor');

module.exports = function(original, length){
  return new (speciesConstructor(original))(length);
};
},{"./_array-species-constructor":15}],17:[function(_dereq_,module,exports){
var toString = {}.toString;

module.exports = function(it){
  return toString.call(it).slice(8, -1);
};
},{}],18:[function(_dereq_,module,exports){
var core = module.exports = {version: '2.4.0'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
},{}],19:[function(_dereq_,module,exports){
// optional / simple context binding
var aFunction = _dereq_('./_a-function');
module.exports = function(fn, that, length){
  aFunction(fn);
  if(that === undefined)return fn;
  switch(length){
    case 1: return function(a){
      return fn.call(that, a);
    };
    case 2: return function(a, b){
      return fn.call(that, a, b);
    };
    case 3: return function(a, b, c){
      return fn.call(that, a, b, c);
    };
  }
  return function(/* ...args */){
    return fn.apply(that, arguments);
  };
};
},{"./_a-function":10}],20:[function(_dereq_,module,exports){
// 7.2.1 RequireObjectCoercible(argument)
module.exports = function(it){
  if(it == undefined)throw TypeError("Can't call method on  " + it);
  return it;
};
},{}],21:[function(_dereq_,module,exports){
// Thank's IE8 for his funny defineProperty
module.exports = !_dereq_('./_fails')(function(){
  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_fails":25}],22:[function(_dereq_,module,exports){
var isObject = _dereq_('./_is-object')
  , document = _dereq_('./_global').document
  // in old IE typeof document.createElement is 'object'
  , is = isObject(document) && isObject(document.createElement);
module.exports = function(it){
  return is ? document.createElement(it) : {};
};
},{"./_global":26,"./_is-object":32}],23:[function(_dereq_,module,exports){
// IE 8- don't enum bug keys
module.exports = (
  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'
).split(',');
},{}],24:[function(_dereq_,module,exports){
var global    = _dereq_('./_global')
  , core      = _dereq_('./_core')
  , ctx       = _dereq_('./_ctx')
  , hide      = _dereq_('./_hide')
  , PROTOTYPE = 'prototype';

var $export = function(type, name, source){
  var IS_FORCED = type & $export.F
    , IS_GLOBAL = type & $export.G
    , IS_STATIC = type & $export.S
    , IS_PROTO  = type & $export.P
    , IS_BIND   = type & $export.B
    , IS_WRAP   = type & $export.W
    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
    , expProto  = exports[PROTOTYPE]
    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
    , key, own, out;
  if(IS_GLOBAL)source = name;
  for(key in source){
    // contains in native
    own = !IS_FORCED && target && target[key] !== undefined;
    if(own && key in exports)continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? ctx(out, global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function(C){
      var F = function(a, b, c){
        if(this instanceof C){
          switch(arguments.length){
            case 0: return new C;
            case 1: return new C(a);
            case 2: return new C(a, b);
          } return new C(a, b, c);
        } return C.apply(this, arguments);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%
    if(IS_PROTO){
      (exports.virtual || (exports.virtual = {}))[key] = out;
      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%
      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);
    }
  }
};
// type bitmap
$export.F = 1;   // forced
$export.G = 2;   // global
$export.S = 4;   // static
$export.P = 8;   // proto
$export.B = 16;  // bind
$export.W = 32;  // wrap
$export.U = 64;  // safe
$export.R = 128; // real proto method for `library` 
module.exports = $export;
},{"./_core":18,"./_ctx":19,"./_global":26,"./_hide":28}],25:[function(_dereq_,module,exports){
module.exports = function(exec){
  try {
    return !!exec();
  } catch(e){
    return true;
  }
};
},{}],26:[function(_dereq_,module,exports){
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
},{}],27:[function(_dereq_,module,exports){
var hasOwnProperty = {}.hasOwnProperty;
module.exports = function(it, key){
  return hasOwnProperty.call(it, key);
};
},{}],28:[function(_dereq_,module,exports){
var dP         = _dereq_('./_object-dp')
  , createDesc = _dereq_('./_property-desc');
module.exports = _dereq_('./_descriptors') ? function(object, key, value){
  return dP.f(object, key, createDesc(1, value));
} : function(object, key, value){
  object[key] = value;
  return object;
};
},{"./_descriptors":21,"./_object-dp":34,"./_property-desc":40}],29:[function(_dereq_,module,exports){
module.exports = !_dereq_('./_descriptors') && !_dereq_('./_fails')(function(){
  return Object.defineProperty(_dereq_('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;
});
},{"./_descriptors":21,"./_dom-create":22,"./_fails":25}],30:[function(_dereq_,module,exports){
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = _dereq_('./_cof');
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
  return cof(it) == 'String' ? it.split('') : Object(it);
};
},{"./_cof":17}],31:[function(_dereq_,module,exports){
// 7.2.2 IsArray(argument)
var cof = _dereq_('./_cof');
module.exports = Array.isArray || function isArray(arg){
  return cof(arg) == 'Array';
};
},{"./_cof":17}],32:[function(_dereq_,module,exports){
module.exports = function(it){
  return typeof it === 'object' ? it !== null : typeof it === 'function';
};
},{}],33:[function(_dereq_,module,exports){
'use strict';
// 19.1.2.1 Object.assign(target, source, ...)
var getKeys  = _dereq_('./_object-keys')
  , gOPS     = _dereq_('./_object-gops')
  , pIE      = _dereq_('./_object-pie')
  , toObject = _dereq_('./_to-object')
  , IObject  = _dereq_('./_iobject')
  , $assign  = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || _dereq_('./_fails')(function(){
  var A = {}
    , B = {}
    , S = Symbol()
    , K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function(k){ B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
  var T     = toObject(target)
    , aLen  = arguments.length
    , index = 1
    , getSymbols = gOPS.f
    , isEnum     = pIE.f;
  while(aLen > index){
    var S      = IObject(arguments[index++])
      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
      , length = keys.length
      , j      = 0
      , key;
    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
  } return T;
} : $assign;
},{"./_fails":25,"./_iobject":30,"./_object-gops":35,"./_object-keys":37,"./_object-pie":38,"./_to-object":48}],34:[function(_dereq_,module,exports){
var anObject       = _dereq_('./_an-object')
  , IE8_DOM_DEFINE = _dereq_('./_ie8-dom-define')
  , toPrimitive    = _dereq_('./_to-primitive')
  , dP             = Object.defineProperty;

exports.f = _dereq_('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){
  anObject(O);
  P = toPrimitive(P, true);
  anObject(Attributes);
  if(IE8_DOM_DEFINE)try {
    return dP(O, P, Attributes);
  } catch(e){ /* empty */ }
  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');
  if('value' in Attributes)O[P] = Attributes.value;
  return O;
};
},{"./_an-object":11,"./_descriptors":21,"./_ie8-dom-define":29,"./_to-primitive":49}],35:[function(_dereq_,module,exports){
exports.f = Object.getOwnPropertySymbols;
},{}],36:[function(_dereq_,module,exports){
var has          = _dereq_('./_has')
  , toIObject    = _dereq_('./_to-iobject')
  , arrayIndexOf = _dereq_('./_array-includes')(false)
  , IE_PROTO     = _dereq_('./_shared-key')('IE_PROTO');

module.exports = function(object, names){
  var O      = toIObject(object)
    , i      = 0
    , result = []
    , key;
  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while(names.length > i)if(has(O, key = names[i++])){
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};
},{"./_array-includes":12,"./_has":27,"./_shared-key":41,"./_to-iobject":46}],37:[function(_dereq_,module,exports){
// 19.1.2.14 / 15.2.3.14 Object.keys(O)
var $keys       = _dereq_('./_object-keys-internal')
  , enumBugKeys = _dereq_('./_enum-bug-keys');

module.exports = Object.keys || function keys(O){
  return $keys(O, enumBugKeys);
};
},{"./_enum-bug-keys":23,"./_object-keys-internal":36}],38:[function(_dereq_,module,exports){
exports.f = {}.propertyIsEnumerable;
},{}],39:[function(_dereq_,module,exports){
// most Object methods by ES6 should accept primitives
var $export = _dereq_('./_export')
  , core    = _dereq_('./_core')
  , fails   = _dereq_('./_fails');
module.exports = function(KEY, exec){
  var fn  = (core.Object || {})[KEY] || Object[KEY]
    , exp = {};
  exp[KEY] = exec(fn);
  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);
};
},{"./_core":18,"./_export":24,"./_fails":25}],40:[function(_dereq_,module,exports){
module.exports = function(bitmap, value){
  return {
    enumerable  : !(bitmap & 1),
    configurable: !(bitmap & 2),
    writable    : !(bitmap & 4),
    value       : value
  };
};
},{}],41:[function(_dereq_,module,exports){
var shared = _dereq_('./_shared')('keys')
  , uid    = _dereq_('./_uid');
module.exports = function(key){
  return shared[key] || (shared[key] = uid(key));
};
},{"./_shared":42,"./_uid":50}],42:[function(_dereq_,module,exports){
var global = _dereq_('./_global')
  , SHARED = '__core-js_shared__'
  , store  = global[SHARED] || (global[SHARED] = {});
module.exports = function(key){
  return store[key] || (store[key] = {});
};
},{"./_global":26}],43:[function(_dereq_,module,exports){
var fails = _dereq_('./_fails');

module.exports = function(method, arg){
  return !!method && fails(function(){
    arg ? method.call(null, function(){}, 1) : method.call(null);
  });
};
},{"./_fails":25}],44:[function(_dereq_,module,exports){
var toInteger = _dereq_('./_to-integer')
  , max       = Math.max
  , min       = Math.min;
module.exports = function(index, length){
  index = toInteger(index);
  return index < 0 ? max(index + length, 0) : min(index, length);
};
},{"./_to-integer":45}],45:[function(_dereq_,module,exports){
// 7.1.4 ToInteger
var ceil  = Math.ceil
  , floor = Math.floor;
module.exports = function(it){
  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
};
},{}],46:[function(_dereq_,module,exports){
// to indexed object, toObject with fallback for non-array-like ES3 strings
var IObject = _dereq_('./_iobject')
  , defined = _dereq_('./_defined');
module.exports = function(it){
  return IObject(defined(it));
};
},{"./_defined":20,"./_iobject":30}],47:[function(_dereq_,module,exports){
// 7.1.15 ToLength
var toInteger = _dereq_('./_to-integer')
  , min       = Math.min;
module.exports = function(it){
  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991
};
},{"./_to-integer":45}],48:[function(_dereq_,module,exports){
// 7.1.13 ToObject(argument)
var defined = _dereq_('./_defined');
module.exports = function(it){
  return Object(defined(it));
};
},{"./_defined":20}],49:[function(_dereq_,module,exports){
// 7.1.1 ToPrimitive(input [, PreferredType])
var isObject = _dereq_('./_is-object');
// instead of the ES6 spec version, we didn't implement @@toPrimitive case
// and the second argument - flag - preferred type is a string
module.exports = function(it, S){
  if(!isObject(it))return it;
  var fn, val;
  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;
  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;
  throw TypeError("Can't convert object to primitive value");
};
},{"./_is-object":32}],50:[function(_dereq_,module,exports){
var id = 0
  , px = Math.random();
module.exports = function(key){
  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
};
},{}],51:[function(_dereq_,module,exports){
var store      = _dereq_('./_shared')('wks')
  , uid        = _dereq_('./_uid')
  , Symbol     = _dereq_('./_global').Symbol
  , USE_SYMBOL = typeof Symbol == 'function';

var $exports = module.exports = function(name){
  return store[name] || (store[name] =
    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));
};

$exports.store = store;
},{"./_global":26,"./_shared":42,"./_uid":50}],52:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export')
  , $filter = _dereq_('./_array-methods')(2);

$export($export.P + $export.F * !_dereq_('./_strict-method')([].filter, true), 'Array', {
  // 22.1.3.7 / 15.4.4.20 Array.prototype.filter(callbackfn [, thisArg])
  filter: function filter(callbackfn /* , thisArg */){
    return $filter(this, callbackfn, arguments[1]);
  }
});
},{"./_array-methods":13,"./_export":24,"./_strict-method":43}],53:[function(_dereq_,module,exports){
'use strict';
var $export  = _dereq_('./_export')
  , $forEach = _dereq_('./_array-methods')(0)
  , STRICT   = _dereq_('./_strict-method')([].forEach, true);

$export($export.P + $export.F * !STRICT, 'Array', {
  // 22.1.3.10 / 15.4.4.18 Array.prototype.forEach(callbackfn [, thisArg])
  forEach: function forEach(callbackfn /* , thisArg */){
    return $forEach(this, callbackfn, arguments[1]);
  }
});
},{"./_array-methods":13,"./_export":24,"./_strict-method":43}],54:[function(_dereq_,module,exports){
'use strict';
var $export       = _dereq_('./_export')
  , $indexOf      = _dereq_('./_array-includes')(false)
  , $native       = [].indexOf
  , NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;

$export($export.P + $export.F * (NEGATIVE_ZERO || !_dereq_('./_strict-method')($native)), 'Array', {
  // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
  indexOf: function indexOf(searchElement /*, fromIndex = 0 */){
    return NEGATIVE_ZERO
      // convert -0 to +0
      ? $native.apply(this, arguments) || 0
      : $indexOf(this, searchElement, arguments[1]);
  }
});
},{"./_array-includes":12,"./_export":24,"./_strict-method":43}],55:[function(_dereq_,module,exports){
// 22.1.2.2 / 15.4.3.2 Array.isArray(arg)
var $export = _dereq_('./_export');

$export($export.S, 'Array', {isArray: _dereq_('./_is-array')});
},{"./_export":24,"./_is-array":31}],56:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export')
  , $map    = _dereq_('./_array-methods')(1);

$export($export.P + $export.F * !_dereq_('./_strict-method')([].map, true), 'Array', {
  // 22.1.3.15 / 15.4.4.19 Array.prototype.map(callbackfn [, thisArg])
  map: function map(callbackfn /* , thisArg */){
    return $map(this, callbackfn, arguments[1]);
  }
});
},{"./_array-methods":13,"./_export":24,"./_strict-method":43}],57:[function(_dereq_,module,exports){
'use strict';
var $export = _dereq_('./_export')
  , $reduce = _dereq_('./_array-reduce');

$export($export.P + $export.F * !_dereq_('./_strict-method')([].reduce, true), 'Array', {
  // 22.1.3.18 / 15.4.4.21 Array.prototype.reduce(callbackfn [, initialValue])
  reduce: function reduce(callbackfn /* , initialValue */){
    return $reduce(this, callbackfn, arguments.length, arguments[1], false);
  }
});
},{"./_array-reduce":14,"./_export":24,"./_strict-method":43}],58:[function(_dereq_,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $export = _dereq_('./_export');

$export($export.S + $export.F, 'Object', {assign: _dereq_('./_object-assign')});
},{"./_export":24,"./_object-assign":33}],59:[function(_dereq_,module,exports){
// 19.1.2.14 Object.keys(O)
var toObject = _dereq_('./_to-object')
  , $keys    = _dereq_('./_object-keys');

_dereq_('./_object-sap')('keys', function(){
  return function keys(it){
    return $keys(toObject(it));
  };
});
},{"./_object-keys":37,"./_object-sap":39,"./_to-object":48}],60:[function(_dereq_,module,exports){
var pSlice = Array.prototype.slice;
var objectKeys = _dereq_('./lib/keys.js');
var isArguments = _dereq_('./lib/is_arguments.js');

var deepEqual = module.exports = function (actual, expected, opts) {
  if (!opts) opts = {};
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (actual instanceof Date && expected instanceof Date) {
    return actual.getTime() === expected.getTime();

  // 7.3. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!actual || !expected || typeof actual != 'object' && typeof expected != 'object') {
    return opts.strict ? actual === expected : actual == expected;

  // 7.4. For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected, opts);
  }
}

function isUndefinedOrNull(value) {
  return value === null || value === undefined;
}

function isBuffer (x) {
  if (!x || typeof x !== 'object' || typeof x.length !== 'number') return false;
  if (typeof x.copy !== 'function' || typeof x.slice !== 'function') {
    return false;
  }
  if (x.length > 0 && typeof x[0] !== 'number') return false;
  return true;
}

function objEquiv(a, b, opts) {
  var i, key;
  if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return deepEqual(a, b, opts);
  }
  if (isBuffer(a)) {
    if (!isBuffer(b)) {
      return false;
    }
    if (a.length !== b.length) return false;
    for (i = 0; i < a.length; i++) {
      if (a[i] !== b[i]) return false;
    }
    return true;
  }
  try {
    var ka = objectKeys(a),
        kb = objectKeys(b);
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!deepEqual(a[key], b[key], opts)) return false;
  }
  return typeof a === typeof b;
}

},{"./lib/is_arguments.js":61,"./lib/keys.js":62}],61:[function(_dereq_,module,exports){
var supportsArgumentsClass = (function(){
  return Object.prototype.toString.call(arguments)
})() == '[object Arguments]';

exports = module.exports = supportsArgumentsClass ? supported : unsupported;

exports.supported = supported;
function supported(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
};

exports.unsupported = unsupported;
function unsupported(object){
  return object &&
    typeof object == 'object' &&
    typeof object.length == 'number' &&
    Object.prototype.hasOwnProperty.call(object, 'callee') &&
    !Object.prototype.propertyIsEnumerable.call(object, 'callee') ||
    false;
};

},{}],62:[function(_dereq_,module,exports){
exports = module.exports = typeof Object.keys === 'function'
  ? Object.keys : shim;

exports.shim = shim;
function shim (obj) {
  var keys = [];
  for (var key in obj) keys.push(key);
  return keys;
}

},{}],63:[function(_dereq_,module,exports){
/**
 * espurify - Clone new AST without extra properties
 * 
 * https://github.com/estools/espurify
 *
 * Copyright (c) 2014-2016 Takuto Wada
 * Licensed under the MIT license.
 *   https://github.com/estools/espurify/blob/master/MIT-LICENSE.txt
 */
'use strict';

var createWhitelist = _dereq_('./lib/create-whitelist');
var cloneWithWhitelist = _dereq_('./lib/clone-ast');

function createCloneFunction (options) {
    return cloneWithWhitelist(createWhitelist(options));
}

var espurify = createCloneFunction();
espurify.customize = createCloneFunction;
espurify.cloneWithWhitelist = cloneWithWhitelist;
module.exports = espurify;

},{"./lib/clone-ast":65,"./lib/create-whitelist":66}],64:[function(_dereq_,module,exports){
module.exports = {
    ArrayExpression: ['type', 'elements'],
    ArrayPattern: ['type', 'elements'],
    ArrowFunctionExpression: ['type', 'id', 'params', 'body', 'generator', 'expression'],
    AssignmentExpression: ['type', 'operator', 'left', 'right'],
    AssignmentPattern: ['type', 'left', 'right'],
    BinaryExpression: ['type', 'operator', 'left', 'right'],
    BlockStatement: ['type', 'body'],
    BreakStatement: ['type', 'label'],
    CallExpression: ['type', 'callee', 'arguments'],
    CatchClause: ['type', 'param', 'guard', 'body'],
    ClassBody: ['type', 'body'],
    ClassDeclaration: ['type', 'id', 'superClass', 'body'],
    ClassExpression: ['type', 'id', 'superClass', 'body'],
    ConditionalExpression: ['type', 'test', 'alternate', 'consequent'],
    ContinueStatement: ['type', 'label'],
    DebuggerStatement: ['type'],
    DoWhileStatement: ['type', 'body', 'test'],
    EmptyStatement: ['type'],
    ExportAllDeclaration: ['type', 'source'],
    ExportDefaultDeclaration: ['type', 'declaration'],
    ExportNamedDeclaration: ['type', 'declaration', 'specifiers', 'source'],
    ExportSpecifier: ['type', 'exported', 'local'],
    ExpressionStatement: ['type', 'expression'],
    ForInStatement: ['type', 'left', 'right', 'body'],
    ForOfStatement: ['type', 'left', 'right', 'body'],
    ForStatement: ['type', 'init', 'test', 'update', 'body'],
    FunctionDeclaration: ['type', 'id', 'params', 'body', 'generator'],
    FunctionExpression: ['type', 'id', 'params', 'body', 'generator'],
    Identifier: ['type', 'name'],
    IfStatement: ['type', 'test', 'consequent', 'alternate'],
    ImportDeclaration: ['type', 'specifiers', 'source'],
    ImportDefaultSpecifier: ['type', 'local'],
    ImportNamespaceSpecifier: ['type', 'local'],
    ImportSpecifier: ['type', 'imported', 'local'],
    LabeledStatement: ['type', 'label', 'body'],
    Literal: ['type', 'value', 'regex'],
    LogicalExpression: ['type', 'operator', 'left', 'right'],
    MemberExpression: ['type', 'object', 'property', 'computed'],
    MetaProperty: ['type', 'meta', 'property'],
    MethodDefinition: ['type', 'key', 'value', 'kind', 'computed', 'static'],
    NewExpression: ['type', 'callee', 'arguments'],
    ObjectExpression: ['type', 'properties'],
    ObjectPattern: ['type', 'properties'],
    Program: ['type', 'body', 'sourceType'],
    Property: ['type', 'key', 'value', 'kind', 'method', 'shorthand', 'computed'],
    RestElement: ['type', 'argument'],
    ReturnStatement: ['type', 'argument'],
    SequenceExpression: ['type', 'expressions'],
    SpreadElement: ['type', 'argument'],
    Super: ['type'],
    SwitchCase: ['type', 'test', 'consequent'],
    SwitchStatement: ['type', 'discriminant', 'cases', 'lexical'],
    TaggedTemplateExpression: ['type', 'tag', 'quasi'],
    TemplateElement: ['type', 'tail', 'value'],
    TemplateLiteral: ['type', 'quasis', 'expressions'],
    ThisExpression: ['type'],
    ThrowStatement: ['type', 'argument'],
    TryStatement: ['type', 'block', 'handler', 'finalizer'],
    UnaryExpression: ['type', 'operator', 'prefix', 'argument'],
    UpdateExpression: ['type', 'operator', 'argument', 'prefix'],
    VariableDeclaration: ['type', 'declarations', 'kind'],
    VariableDeclarator: ['type', 'id', 'init'],
    WhileStatement: ['type', 'test', 'body'],
    WithStatement: ['type', 'object', 'body'],
    YieldExpression: ['type', 'argument', 'delegate']
};

},{}],65:[function(_dereq_,module,exports){
'use strict';

var isArray = _dereq_('core-js/library/fn/array/is-array');
var objectKeys = _dereq_('core-js/library/fn/object/keys');
var indexOf = _dereq_('core-js/library/fn/array/index-of');
var reduce = _dereq_('core-js/library/fn/array/reduce');

module.exports = function cloneWithWhitelist (astWhiteList) {
    var whitelist = reduce(objectKeys(astWhiteList), function (props, key) {
        var propNames = astWhiteList[key];
        var prepend = (indexOf(propNames, 'type') === -1) ? ['type'] : [];
        props[key] = prepend.concat(propNames);
        return props;
    }, {});

    function cloneNodeOrObject (obj) {
        var props = obj.type ? whitelist[obj.type] : null;
        if (props) {
            return cloneNode(obj, props);
        } else {
            return cloneObject(obj);
        }
    }

    function cloneArray (ary) {
        var i = ary.length, clone = [];
        while (i--) {
            clone[i] = cloneOf(ary[i]);
        }
        return clone;
    }

    function cloneNode (node, props) {
        var i, len, key, clone = {};
        for (i = 0, len = props.length; i < len; i += 1) {
            key = props[i];
            if (node.hasOwnProperty(key)) {
                clone[key] = cloneOf(node[key]);
            }
        }
        return clone;
    }

    function cloneObject (obj) {
        var props = objectKeys(obj);
        var i, len, key, clone = {};
        for (i = 0, len = props.length; i < len; i += 1) {
            key = props[i];
            clone[key] = cloneOf(obj[key]);
        }
        return clone;
    }

    function cloneOf (val) {
        if (typeof val === 'object' && val !== null) {
            if (val instanceof RegExp) {
                return new RegExp(val);
            } else if (isArray(val)) {
                return cloneArray(val);
            } else {
                return cloneNodeOrObject(val);
            }
        } else {
            return val;
        }
    }

    return cloneNodeOrObject;
};

},{"core-js/library/fn/array/index-of":4,"core-js/library/fn/array/is-array":5,"core-js/library/fn/array/reduce":7,"core-js/library/fn/object/keys":9}],66:[function(_dereq_,module,exports){
'use strict';

var defaultProps = _dereq_('./ast-properties');
var objectKeys = _dereq_('core-js/library/fn/object/keys');
var assign = _dereq_('core-js/library/fn/object/assign');

module.exports = function createWhitelist (options) {
    var opts = assign({}, options);
    var typeName, i, len;
    var keys = objectKeys(defaultProps);
    var result = {};
    for (i = 0, len = keys.length; i < len; i += 1) {
        typeName = keys[i];
        result[typeName] = defaultProps[typeName].concat(opts.extra);
    }
    return result;
};

},{"./ast-properties":64,"core-js/library/fn/object/assign":8,"core-js/library/fn/object/keys":9}],67:[function(_dereq_,module,exports){
/*
  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*jslint vars:false, bitwise:true*/
/*jshint indent:4*/
/*global exports:true*/
(function clone(exports) {
    'use strict';

    var Syntax,
        isArray,
        VisitorOption,
        VisitorKeys,
        objectCreate,
        objectKeys,
        BREAK,
        SKIP,
        REMOVE;

    function ignoreJSHintError() { }

    isArray = Array.isArray;
    if (!isArray) {
        isArray = function isArray(array) {
            return Object.prototype.toString.call(array) === '[object Array]';
        };
    }

    function deepCopy(obj) {
        var ret = {}, key, val;
        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                val = obj[key];
                if (typeof val === 'object' && val !== null) {
                    ret[key] = deepCopy(val);
                } else {
                    ret[key] = val;
                }
            }
        }
        return ret;
    }

    function shallowCopy(obj) {
        var ret = {}, key;
        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                ret[key] = obj[key];
            }
        }
        return ret;
    }
    ignoreJSHintError(shallowCopy);

    // based on LLVM libc++ upper_bound / lower_bound
    // MIT License

    function upperBound(array, func) {
        var diff, len, i, current;

        len = array.length;
        i = 0;

        while (len) {
            diff = len >>> 1;
            current = i + diff;
            if (func(array[current])) {
                len = diff;
            } else {
                i = current + 1;
                len -= diff + 1;
            }
        }
        return i;
    }

    function lowerBound(array, func) {
        var diff, len, i, current;

        len = array.length;
        i = 0;

        while (len) {
            diff = len >>> 1;
            current = i + diff;
            if (func(array[current])) {
                i = current + 1;
                len -= diff + 1;
            } else {
                len = diff;
            }
        }
        return i;
    }
    ignoreJSHintError(lowerBound);

    objectCreate = Object.create || (function () {
        function F() { }

        return function (o) {
            F.prototype = o;
            return new F();
        };
    })();

    objectKeys = Object.keys || function (o) {
        var keys = [], key;
        for (key in o) {
            keys.push(key);
        }
        return keys;
    };

    function extend(to, from) {
        var keys = objectKeys(from), key, i, len;
        for (i = 0, len = keys.length; i < len; i += 1) {
            key = keys[i];
            to[key] = from[key];
        }
        return to;
    }

    Syntax = {
        AssignmentExpression: 'AssignmentExpression',
        AssignmentPattern: 'AssignmentPattern',
        ArrayExpression: 'ArrayExpression',
        ArrayPattern: 'ArrayPattern',
        ArrowFunctionExpression: 'ArrowFunctionExpression',
        AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
        BlockStatement: 'BlockStatement',
        BinaryExpression: 'BinaryExpression',
        BreakStatement: 'BreakStatement',
        CallExpression: 'CallExpression',
        CatchClause: 'CatchClause',
        ClassBody: 'ClassBody',
        ClassDeclaration: 'ClassDeclaration',
        ClassExpression: 'ClassExpression',
        ComprehensionBlock: 'ComprehensionBlock',  // CAUTION: It's deferred to ES7.
        ComprehensionExpression: 'ComprehensionExpression',  // CAUTION: It's deferred to ES7.
        ConditionalExpression: 'ConditionalExpression',
        ContinueStatement: 'ContinueStatement',
        DebuggerStatement: 'DebuggerStatement',
        DirectiveStatement: 'DirectiveStatement',
        DoWhileStatement: 'DoWhileStatement',
        EmptyStatement: 'EmptyStatement',
        ExportAllDeclaration: 'ExportAllDeclaration',
        ExportDefaultDeclaration: 'ExportDefaultDeclaration',
        ExportNamedDeclaration: 'ExportNamedDeclaration',
        ExportSpecifier: 'ExportSpecifier',
        ExpressionStatement: 'ExpressionStatement',
        ForStatement: 'ForStatement',
        ForInStatement: 'ForInStatement',
        ForOfStatement: 'ForOfStatement',
        FunctionDeclaration: 'FunctionDeclaration',
        FunctionExpression: 'FunctionExpression',
        GeneratorExpression: 'GeneratorExpression',  // CAUTION: It's deferred to ES7.
        Identifier: 'Identifier',
        IfStatement: 'IfStatement',
        ImportDeclaration: 'ImportDeclaration',
        ImportDefaultSpecifier: 'ImportDefaultSpecifier',
        ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
        ImportSpecifier: 'ImportSpecifier',
        Literal: 'Literal',
        LabeledStatement: 'LabeledStatement',
        LogicalExpression: 'LogicalExpression',
        MemberExpression: 'MemberExpression',
        MetaProperty: 'MetaProperty',
        MethodDefinition: 'MethodDefinition',
        ModuleSpecifier: 'ModuleSpecifier',
        NewExpression: 'NewExpression',
        ObjectExpression: 'ObjectExpression',
        ObjectPattern: 'ObjectPattern',
        Program: 'Program',
        Property: 'Property',
        RestElement: 'RestElement',
        ReturnStatement: 'ReturnStatement',
        SequenceExpression: 'SequenceExpression',
        SpreadElement: 'SpreadElement',
        Super: 'Super',
        SwitchStatement: 'SwitchStatement',
        SwitchCase: 'SwitchCase',
        TaggedTemplateExpression: 'TaggedTemplateExpression',
        TemplateElement: 'TemplateElement',
        TemplateLiteral: 'TemplateLiteral',
        ThisExpression: 'ThisExpression',
        ThrowStatement: 'ThrowStatement',
        TryStatement: 'TryStatement',
        UnaryExpression: 'UnaryExpression',
        UpdateExpression: 'UpdateExpression',
        VariableDeclaration: 'VariableDeclaration',
        VariableDeclarator: 'VariableDeclarator',
        WhileStatement: 'WhileStatement',
        WithStatement: 'WithStatement',
        YieldExpression: 'YieldExpression'
    };

    VisitorKeys = {
        AssignmentExpression: ['left', 'right'],
        AssignmentPattern: ['left', 'right'],
        ArrayExpression: ['elements'],
        ArrayPattern: ['elements'],
        ArrowFunctionExpression: ['params', 'body'],
        AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
        BlockStatement: ['body'],
        BinaryExpression: ['left', 'right'],
        BreakStatement: ['label'],
        CallExpression: ['callee', 'arguments'],
        CatchClause: ['param', 'body'],
        ClassBody: ['body'],
        ClassDeclaration: ['id', 'superClass', 'body'],
        ClassExpression: ['id', 'superClass', 'body'],
        ComprehensionBlock: ['left', 'right'],  // CAUTION: It's deferred to ES7.
        ComprehensionExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
        ConditionalExpression: ['test', 'consequent', 'alternate'],
        ContinueStatement: ['label'],
        DebuggerStatement: [],
        DirectiveStatement: [],
        DoWhileStatement: ['body', 'test'],
        EmptyStatement: [],
        ExportAllDeclaration: ['source'],
        ExportDefaultDeclaration: ['declaration'],
        ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
        ExportSpecifier: ['exported', 'local'],
        ExpressionStatement: ['expression'],
        ForStatement: ['init', 'test', 'update', 'body'],
        ForInStatement: ['left', 'right', 'body'],
        ForOfStatement: ['left', 'right', 'body'],
        FunctionDeclaration: ['id', 'params', 'body'],
        FunctionExpression: ['id', 'params', 'body'],
        GeneratorExpression: ['blocks', 'filter', 'body'],  // CAUTION: It's deferred to ES7.
        Identifier: [],
        IfStatement: ['test', 'consequent', 'alternate'],
        ImportDeclaration: ['specifiers', 'source'],
        ImportDefaultSpecifier: ['local'],
        ImportNamespaceSpecifier: ['local'],
        ImportSpecifier: ['imported', 'local'],
        Literal: [],
        LabeledStatement: ['label', 'body'],
        LogicalExpression: ['left', 'right'],
        MemberExpression: ['object', 'property'],
        MetaProperty: ['meta', 'property'],
        MethodDefinition: ['key', 'value'],
        ModuleSpecifier: [],
        NewExpression: ['callee', 'arguments'],
        ObjectExpression: ['properties'],
        ObjectPattern: ['properties'],
        Program: ['body'],
        Property: ['key', 'value'],
        RestElement: [ 'argument' ],
        ReturnStatement: ['argument'],
        SequenceExpression: ['expressions'],
        SpreadElement: ['argument'],
        Super: [],
        SwitchStatement: ['discriminant', 'cases'],
        SwitchCase: ['test', 'consequent'],
        TaggedTemplateExpression: ['tag', 'quasi'],
        TemplateElement: [],
        TemplateLiteral: ['quasis', 'expressions'],
        ThisExpression: [],
        ThrowStatement: ['argument'],
        TryStatement: ['block', 'handler', 'finalizer'],
        UnaryExpression: ['argument'],
        UpdateExpression: ['argument'],
        VariableDeclaration: ['declarations'],
        VariableDeclarator: ['id', 'init'],
        WhileStatement: ['test', 'body'],
        WithStatement: ['object', 'body'],
        YieldExpression: ['argument']
    };

    // unique id
    BREAK = {};
    SKIP = {};
    REMOVE = {};

    VisitorOption = {
        Break: BREAK,
        Skip: SKIP,
        Remove: REMOVE
    };

    function Reference(parent, key) {
        this.parent = parent;
        this.key = key;
    }

    Reference.prototype.replace = function replace(node) {
        this.parent[this.key] = node;
    };

    Reference.prototype.remove = function remove() {
        if (isArray(this.parent)) {
            this.parent.splice(this.key, 1);
            return true;
        } else {
            this.replace(null);
            return false;
        }
    };

    function Element(node, path, wrap, ref) {
        this.node = node;
        this.path = path;
        this.wrap = wrap;
        this.ref = ref;
    }

    function Controller() { }

    // API:
    // return property path array from root to current node
    Controller.prototype.path = function path() {
        var i, iz, j, jz, result, element;

        function addToPath(result, path) {
            if (isArray(path)) {
                for (j = 0, jz = path.length; j < jz; ++j) {
                    result.push(path[j]);
                }
            } else {
                result.push(path);
            }
        }

        // root node
        if (!this.__current.path) {
            return null;
        }

        // first node is sentinel, second node is root element
        result = [];
        for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
            element = this.__leavelist[i];
            addToPath(result, element.path);
        }
        addToPath(result, this.__current.path);
        return result;
    };

    // API:
    // return type of current node
    Controller.prototype.type = function () {
        var node = this.current();
        return node.type || this.__current.wrap;
    };

    // API:
    // return array of parent elements
    Controller.prototype.parents = function parents() {
        var i, iz, result;

        // first node is sentinel
        result = [];
        for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
            result.push(this.__leavelist[i].node);
        }

        return result;
    };

    // API:
    // return current node
    Controller.prototype.current = function current() {
        return this.__current.node;
    };

    Controller.prototype.__execute = function __execute(callback, element) {
        var previous, result;

        result = undefined;

        previous  = this.__current;
        this.__current = element;
        this.__state = null;
        if (callback) {
            result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
        }
        this.__current = previous;

        return result;
    };

    // API:
    // notify control skip / break
    Controller.prototype.notify = function notify(flag) {
        this.__state = flag;
    };

    // API:
    // skip child nodes of current node
    Controller.prototype.skip = function () {
        this.notify(SKIP);
    };

    // API:
    // break traversals
    Controller.prototype['break'] = function () {
        this.notify(BREAK);
    };

    // API:
    // remove node
    Controller.prototype.remove = function () {
        this.notify(REMOVE);
    };

    Controller.prototype.__initialize = function(root, visitor) {
        this.visitor = visitor;
        this.root = root;
        this.__worklist = [];
        this.__leavelist = [];
        this.__current = null;
        this.__state = null;
        this.__fallback = null;
        if (visitor.fallback === 'iteration') {
            this.__fallback = objectKeys;
        } else if (typeof visitor.fallback === 'function') {
            this.__fallback = visitor.fallback;
        }

        this.__keys = VisitorKeys;
        if (visitor.keys) {
            this.__keys = extend(objectCreate(this.__keys), visitor.keys);
        }
    };

    function isNode(node) {
        if (node == null) {
            return false;
        }
        return typeof node === 'object' && typeof node.type === 'string';
    }

    function isProperty(nodeType, key) {
        return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
    }

    Controller.prototype.traverse = function traverse(root, visitor) {
        var worklist,
            leavelist,
            element,
            node,
            nodeType,
            ret,
            key,
            current,
            current2,
            candidates,
            candidate,
            sentinel;

        this.__initialize(root, visitor);

        sentinel = {};

        // reference
        worklist = this.__worklist;
        leavelist = this.__leavelist;

        // initialize
        worklist.push(new Element(root, null, null, null));
        leavelist.push(new Element(null, null, null, null));

        while (worklist.length) {
            element = worklist.pop();

            if (element === sentinel) {
                element = leavelist.pop();

                ret = this.__execute(visitor.leave, element);

                if (this.__state === BREAK || ret === BREAK) {
                    return;
                }
                continue;
            }

            if (element.node) {

                ret = this.__execute(visitor.enter, element);

                if (this.__state === BREAK || ret === BREAK) {
                    return;
                }

                worklist.push(sentinel);
                leavelist.push(element);

                if (this.__state === SKIP || ret === SKIP) {
                    continue;
                }

                node = element.node;
                nodeType = node.type || element.wrap;
                candidates = this.__keys[nodeType];
                if (!candidates) {
                    if (this.__fallback) {
                        candidates = this.__fallback(node);
                    } else {
                        throw new Error('Unknown node type ' + nodeType + '.');
                    }
                }

                current = candidates.length;
                while ((current -= 1) >= 0) {
                    key = candidates[current];
                    candidate = node[key];
                    if (!candidate) {
                        continue;
                    }

                    if (isArray(candidate)) {
                        current2 = candidate.length;
                        while ((current2 -= 1) >= 0) {
                            if (!candidate[current2]) {
                                continue;
                            }
                            if (isProperty(nodeType, candidates[current])) {
                                element = new Element(candidate[current2], [key, current2], 'Property', null);
                            } else if (isNode(candidate[current2])) {
                                element = new Element(candidate[current2], [key, current2], null, null);
                            } else {
                                continue;
                            }
                            worklist.push(element);
                        }
                    } else if (isNode(candidate)) {
                        worklist.push(new Element(candidate, key, null, null));
                    }
                }
            }
        }
    };

    Controller.prototype.replace = function replace(root, visitor) {
        var worklist,
            leavelist,
            node,
            nodeType,
            target,
            element,
            current,
            current2,
            candidates,
            candidate,
            sentinel,
            outer,
            key;

        function removeElem(element) {
            var i,
                key,
                nextElem,
                parent;

            if (element.ref.remove()) {
                // When the reference is an element of an array.
                key = element.ref.key;
                parent = element.ref.parent;

                // If removed from array, then decrease following items' keys.
                i = worklist.length;
                while (i--) {
                    nextElem = worklist[i];
                    if (nextElem.ref && nextElem.ref.parent === parent) {
                        if  (nextElem.ref.key < key) {
                            break;
                        }
                        --nextElem.ref.key;
                    }
                }
            }
        }

        this.__initialize(root, visitor);

        sentinel = {};

        // reference
        worklist = this.__worklist;
        leavelist = this.__leavelist;

        // initialize
        outer = {
            root: root
        };
        element = new Element(root, null, null, new Reference(outer, 'root'));
        worklist.push(element);
        leavelist.push(element);

        while (worklist.length) {
            element = worklist.pop();

            if (element === sentinel) {
                element = leavelist.pop();

                target = this.__execute(visitor.leave, element);

                // node may be replaced with null,
                // so distinguish between undefined and null in this place
                if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
                    // replace
                    element.ref.replace(target);
                }

                if (this.__state === REMOVE || target === REMOVE) {
                    removeElem(element);
                }

                if (this.__state === BREAK || target === BREAK) {
                    return outer.root;
                }
                continue;
            }

            target = this.__execute(visitor.enter, element);

            // node may be replaced with null,
            // so distinguish between undefined and null in this place
            if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
                // replace
                element.ref.replace(target);
                element.node = target;
            }

            if (this.__state === REMOVE || target === REMOVE) {
                removeElem(element);
                element.node = null;
            }

            if (this.__state === BREAK || target === BREAK) {
                return outer.root;
            }

            // node may be null
            node = element.node;
            if (!node) {
                continue;
            }

            worklist.push(sentinel);
            leavelist.push(element);

            if (this.__state === SKIP || target === SKIP) {
                continue;
            }

            nodeType = node.type || element.wrap;
            candidates = this.__keys[nodeType];
            if (!candidates) {
                if (this.__fallback) {
                    candidates = this.__fallback(node);
                } else {
                    throw new Error('Unknown node type ' + nodeType + '.');
                }
            }

            current = candidates.length;
            while ((current -= 1) >= 0) {
                key = candidates[current];
                candidate = node[key];
                if (!candidate) {
                    continue;
                }

                if (isArray(candidate)) {
                    current2 = candidate.length;
                    while ((current2 -= 1) >= 0) {
                        if (!candidate[current2]) {
                            continue;
                        }
                        if (isProperty(nodeType, candidates[current])) {
                            element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
                        } else if (isNode(candidate[current2])) {
                            element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
                        } else {
                            continue;
                        }
                        worklist.push(element);
                    }
                } else if (isNode(candidate)) {
                    worklist.push(new Element(candidate, key, null, new Reference(node, key)));
                }
            }
        }

        return outer.root;
    };

    function traverse(root, visitor) {
        var controller = new Controller();
        return controller.traverse(root, visitor);
    }

    function replace(root, visitor) {
        var controller = new Controller();
        return controller.replace(root, visitor);
    }

    function extendCommentRange(comment, tokens) {
        var target;

        target = upperBound(tokens, function search(token) {
            return token.range[0] > comment.range[0];
        });

        comment.extendedRange = [comment.range[0], comment.range[1]];

        if (target !== tokens.length) {
            comment.extendedRange[1] = tokens[target].range[0];
        }

        target -= 1;
        if (target >= 0) {
            comment.extendedRange[0] = tokens[target].range[1];
        }

        return comment;
    }

    function attachComments(tree, providedComments, tokens) {
        // At first, we should calculate extended comment ranges.
        var comments = [], comment, len, i, cursor;

        if (!tree.range) {
            throw new Error('attachComments needs range information');
        }

        // tokens array is empty, we attach comments to tree as 'leadingComments'
        if (!tokens.length) {
            if (providedComments.length) {
                for (i = 0, len = providedComments.length; i < len; i += 1) {
                    comment = deepCopy(providedComments[i]);
                    comment.extendedRange = [0, tree.range[0]];
                    comments.push(comment);
                }
                tree.leadingComments = comments;
            }
            return tree;
        }

        for (i = 0, len = providedComments.length; i < len; i += 1) {
            comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
        }

        // This is based on John Freeman's implementation.
        cursor = 0;
        traverse(tree, {
            enter: function (node) {
                var comment;

                while (cursor < comments.length) {
                    comment = comments[cursor];
                    if (comment.extendedRange[1] > node.range[0]) {
                        break;
                    }

                    if (comment.extendedRange[1] === node.range[0]) {
                        if (!node.leadingComments) {
                            node.leadingComments = [];
                        }
                        node.leadingComments.push(comment);
                        comments.splice(cursor, 1);
                    } else {
                        cursor += 1;
                    }
                }

                // already out of owned node
                if (cursor === comments.length) {
                    return VisitorOption.Break;
                }

                if (comments[cursor].extendedRange[0] > node.range[1]) {
                    return VisitorOption.Skip;
                }
            }
        });

        cursor = 0;
        traverse(tree, {
            leave: function (node) {
                var comment;

                while (cursor < comments.length) {
                    comment = comments[cursor];
                    if (node.range[1] < comment.extendedRange[0]) {
                        break;
                    }

                    if (node.range[1] === comment.extendedRange[0]) {
                        if (!node.trailingComments) {
                            node.trailingComments = [];
                        }
                        node.trailingComments.push(comment);
                        comments.splice(cursor, 1);
                    } else {
                        cursor += 1;
                    }
                }

                // already out of owned node
                if (cursor === comments.length) {
                    return VisitorOption.Break;
                }

                if (comments[cursor].extendedRange[0] > node.range[1]) {
                    return VisitorOption.Skip;
                }
            }
        });

        return tree;
    }

    exports.version = _dereq_('./package.json').version;
    exports.Syntax = Syntax;
    exports.traverse = traverse;
    exports.replace = replace;
    exports.attachComments = attachComments;
    exports.VisitorKeys = VisitorKeys;
    exports.VisitorOption = VisitorOption;
    exports.Controller = Controller;
    exports.cloneEnvironment = function () { return clone({}); };

    return exports;
}(exports));
/* vim: set sw=4 ts=4 et tw=80 : */

},{"./package.json":68}],68:[function(_dereq_,module,exports){
module.exports={"name":"estraverse","version":"4.2.0"}
},{}]},{},[1])(1)
});