MrShi
18 小时以前 eb7a808aaf7dd0a6dd2ff70f9ef3f8ce0b1e31d1
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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');