original_string: public function getContentStream()
      {
          if (!$this->objectId || !$this->getStreamId()) {
              return null;
          }
  
          return $this->session->getBinding()->getObjectService()->getContentStream(
              $this->session->getRepositoryInfo()->getId(),
              $this->objectId,
              $this->getStreamId()
          );
      }
code: public function getContentStream()
      {
          if (!$this->objectId || !$this->getStreamId()) {
              return null;
          }
  
          return $this->session->getBinding()->getObjectService()->getContentStream(
              $this->session->getRepositoryInfo()->getId(),
              $this->objectId,
              $this->getStreamId()
          );
      }
code_tokens: public function getContentStream ( ) { if ( ! $ this -> objectId || ! $ this -> getStreamId ( ) ) { return null ; } return $ this -> session -> getBinding ( ) -> getObjectService ( ) -> getContentStream ( $ this -> session -> getRepositoryInfo ( ) -> getId ( ) , $ this -> objectId , $ this -> getStreamId ( ) ) ; }
docstring: Returns the content stream of the rendition.
  
  @return StreamInterface|null the content stream of the rendition
  or <code>null</code> if the rendition has no content
docstring_tokens: Returns the content stream of the rendition .