'use strict'; 
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var $ = require('../internals/export'); 
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var isPrototypeOf = require('../internals/object-is-prototype-of'); 
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var getPrototypeOf = require('../internals/object-get-prototype-of'); 
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var setPrototypeOf = require('../internals/object-set-prototype-of'); 
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var copyConstructorProperties = require('../internals/copy-constructor-properties'); 
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var create = require('../internals/object-create'); 
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var createNonEnumerableProperty = require('../internals/create-non-enumerable-property'); 
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var createPropertyDescriptor = require('../internals/create-property-descriptor'); 
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var installErrorCause = require('../internals/install-error-cause'); 
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var installErrorStack = require('../internals/error-stack-install'); 
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var iterate = require('../internals/iterate'); 
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var normalizeStringArgument = require('../internals/normalize-string-argument'); 
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var wellKnownSymbol = require('../internals/well-known-symbol'); 
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var TO_STRING_TAG = wellKnownSymbol('toStringTag'); 
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var $Error = Error; 
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var push = [].push; 
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var $AggregateError = function AggregateError(errors, message /* , options */) { 
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  var isInstance = isPrototypeOf(AggregateErrorPrototype, this); 
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  var that; 
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  if (setPrototypeOf) { 
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    that = setPrototypeOf(new $Error(), isInstance ? getPrototypeOf(this) : AggregateErrorPrototype); 
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  } else { 
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    that = isInstance ? this : create(AggregateErrorPrototype); 
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    createNonEnumerableProperty(that, TO_STRING_TAG, 'Error'); 
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  } 
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  if (message !== undefined) createNonEnumerableProperty(that, 'message', normalizeStringArgument(message)); 
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  installErrorStack(that, $AggregateError, that.stack, 1); 
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  if (arguments.length > 2) installErrorCause(that, arguments[2]); 
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  var errorsArray = []; 
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  iterate(errors, push, { that: errorsArray }); 
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  createNonEnumerableProperty(that, 'errors', errorsArray); 
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  return that; 
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}; 
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if (setPrototypeOf) setPrototypeOf($AggregateError, $Error); 
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else copyConstructorProperties($AggregateError, $Error, { name: true }); 
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var AggregateErrorPrototype = $AggregateError.prototype = create($Error.prototype, { 
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  constructor: createPropertyDescriptor(1, $AggregateError), 
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  message: createPropertyDescriptor(1, ''), 
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  name: createPropertyDescriptor(1, 'AggregateError') 
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}); 
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// `AggregateError` constructor 
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// https://tc39.es/ecma262/#sec-aggregate-error-constructor 
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$({ global: true, constructor: true, arity: 2 }, { 
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  AggregateError: $AggregateError 
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}); 
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