var e,n;function r(){return n?e:(n=1,e=function(e){try{var n=new Set,r={size:0,has:function(){return!0},keys:function(){return Object.defineProperty({},"next",{get:function(){return n.clear(),n.add(4),function(){return{done:!0}}}})}},t=n[e](r);return 1===t.size&&4===t.values().next().value}catch(e){return!1}})}export{r as __require};