jspm_packages/system-csp-production.src.js
function(name) {
      var loader = this._loader;
      delete loader.importPromises[name];
      delete loader.moduleRecords[name];
      return loader.modules[name] ? delete loader.modules[name] : false;
    }
function(name) {
      var loader = this._loader;
      delete loader.importPromises[name];
      delete loader.moduleRecords[name];
      return loader.modules[name] ? delete loader.modules[name] : false;
    }
function ( name ) { var loader = this . _loader ; delete loader . importPromises [ name ] ; delete loader . moduleRecords [ name ] ; return loader . modules [ name ] ? delete loader . modules [ name ] : false ; }
26.3.3.3
26 . 3 . 3 . 3