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							- 'use strict';
 
- var $TypeError = require('es-errors/type');
 
- var callBound = require('call-bound');
 
- var $keyFor = callBound('Symbol.keyFor', true);
 
- // https://262.ecma-international.org/14.0/#sec-keyforsymbol
 
- module.exports = function KeyForSymbol(sym) {
 
- 	if (typeof sym !== 'symbol') {
 
- 		throw new $TypeError('Assertion failed: `sym` must be a Symbol');
 
- 	}
 
- 	return $keyFor(sym);
 
- };
 
 
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