--- /dev/null
+require('../../modules/es.set');
+require('../../modules/es.string.iterator');
+require('../../modules/esnext.set.union');
+require('../../modules/web.dom-collections.iterator');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('Set', 'union');