public function execute()
 {
     if ($this->_serviceProvider->skipDenormalization) {
         return;
     }
     $normalizer = new EngineBlock_Attributes_Normalizer($this->_responseAttributes);
     $this->_responseAttributes = $normalizer->denormalize();
 }
 protected function _denormalize(array $input, array $definition)
 {
     $this->_messageRecorder = new EngineBlock_Test_Attributes_MessageRecorder();
     $normalizer = new EngineBlock_Attributes_Normalizer($input);
     $normalizer->setLogger($this->_messageRecorder);
     $normalizer->setDefinition($definition);
     return $normalizer->denormalize();
 }