增加了代码

feige

2025-12-02 d539b7f289ba8887ccfdc11c06fe154ff5fb8974

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