有mqtt

heyujie

2021-05-20 6ebdefb4a5b2be82a8c452c0bb4624f3d85a17b7

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'use strict';
 
if (!require('./is-implemented')()) {
    Object.defineProperty(require('es5-ext/global'), 'Map',
        { value: require('./polyfill'), configurable: true, enumerable: false,
            writable: true });
}