first commit

liusuyi

2023-04-24 4737f1e038743ced243c9e52423404d9034d6107

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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');