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- var global = require('../internals/global');
- var isCallable = require('../internals/is-callable');
- var aFunction = function (argument) {
- return isCallable(argument) ? argument : undefined;
- };
- module.exports = function (namespace, method) {
- return arguments.length < 2 ? aFunction(global[namespace]) : global[namespace] && global[namespace][method];
- };
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