Module 608039

function(e,t,n){"use strict";var r=n(664886),a=n(999843),o=n(309270),i=n(155084),s=TypeError;e.exports=function(e,t){var n,l=i(this),c=a(l.get),u=a(l.has),d=a(l.set),p=arguments.length>2?arguments[2]:void 0;if(!o(t)&&!o(p))throw new s("At least one callback required");return r(u,l,e)?(n=r(c,l,e),o(t)&&r(d,l,e,n=t(n))):o(p)&&r(d,l,e,n=p()),n}}