"use strict"; exports._ = exports._set_prototype_of = _set_prototype_of; function _set_prototype_of(o, p) { exports._ = exports._set_prototype_of = _set_prototype_of = Object.setPrototypeOf || function setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _set_prototype_of(o, p); }