相机校验是否唯一

liusuyi

2023-10-24 acdb4a206f64cc7b39cee05d77bbc4e98258c27b

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var defineWellKnownSymbol = require('../internals/well-known-symbol-define');
 
// `Symbol.metadataKey` well-known symbol
// https://github.com/tc39/proposal-decorator-metadata
defineWellKnownSymbol('metadataKey');