original_string: protected function isContainerBlock($id)
      {
          return $this->typeHelper->isInstanceOf(
              $this->rawLayout->getProperty($id, RawLayout::BLOCK_TYPE, true),
              ContainerType::NAME
          );
      }
code: protected function isContainerBlock($id)
      {
          return $this->typeHelper->isInstanceOf(
              $this->rawLayout->getProperty($id, RawLayout::BLOCK_TYPE, true),
              ContainerType::NAME
          );
      }
code_tokens: protected function isContainerBlock ( $ id ) { return $ this -> typeHelper -> isInstanceOf ( $ this -> rawLayout -> getProperty ( $ id , RawLayout :: BLOCK_TYPE , true ) , ContainerType :: NAME ) ; }
docstring: Checks whether the given block is a container for other blocks
  
  @param string $id
  
  @return bool
docstring_tokens: Checks whether the given block is a container for other blocks