增加：群聊业务

liusuyi

2024-07-06 0ab014198a8b4e40fa26da394373a4bcdb571148

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var nativeFunctionToString = require('./_function-to-string');
var WeakMap = require('./_global').WeakMap;
 
module.exports = typeof WeakMap === 'function' && /native code/.test(nativeFunctionToString.call(WeakMap));