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rk

3 天以前 a2edcee1ea59b4855b2b4e0be436c154fd77d47b

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