| 'use strict'; | 
| var TO_STRING_TAG_SUPPORT = require('../internals/to-string-tag-support'); | 
| var defineBuiltIn = require('../internals/define-built-in'); | 
| var toString = require('../internals/object-to-string'); | 
|   | 
| // `Object.prototype.toString` method | 
| // https://tc39.es/ecma262/#sec-object.prototype.tostring | 
| if (!TO_STRING_TAG_SUPPORT) { | 
|   defineBuiltIn(Object.prototype, 'toString', toString, { unsafe: true }); | 
| } |