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'use strict';
var getBuiltIn = require('../internals/get-built-in');
var isCallable = require('../internals/is-callable');
var isPrototypeOf = require('../internals/object-is-prototype-of');
var USE_SYMBOL_AS_UID = require('../internals/use-symbol-as-uid');
var $Object = Object;
module.exports = USE_SYMBOL_AS_UID ? function (it) {
return typeof it == 'symbol';
} : function (it) {
var $Symbol = getBuiltIn('Symbol');
return isCallable($Symbol) && isPrototypeOf($Symbol.prototype, $Object(it));
};