增加ptz解锁接口

‘liusuyi’

2023-06-30 a244194128df25b5d94cd1ee61e5e0a5e0c8ffd9

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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));