build/es-class.max.amd.js
function isNotASpecialKey(key, allowInit) {
    return  key !== CONSTRUCTOR &&
            key !== EXTENDS &&
            key !== IMPLEMENTS &&
            // Blackberry 7 and old WebKit bug only:
            //  user defined functions have
            //  enumerable prototype and constructor
            key !== PROTOTYPE &&
            key !== STATIC &&
            key !== SUPER &&
            key !== WITH &&
            (allowInit || key !== INIT);
  }
function isNotASpecialKey(key, allowInit) {
    return  key !== CONSTRUCTOR &&
            key !== EXTENDS &&
            key !== IMPLEMENTS &&
            // Blackberry 7 and old WebKit bug only:
            //  user defined functions have
            //  enumerable prototype and constructor
            key !== PROTOTYPE &&
            key !== STATIC &&
            key !== SUPER &&
            key !== WITH &&
            (allowInit || key !== INIT);
  }
function isNotASpecialKey ( key , allowInit ) { return key !== CONSTRUCTOR && key !== EXTENDS && key !== IMPLEMENTS && // Blackberry 7 and old WebKit bug only: //  user defined functions have //  enumerable prototype and constructor key !== PROTOTYPE && key !== STATIC && key !== SUPER && key !== WITH && ( allowInit || key !== INIT ) ; }
verifies a key is not special for the class
verifies a key is not special for the class