original_string: public function getSourceMediaFileId(): \Psr\Http\Message\UriInterface
      {
          if (!$this->sourceMediaFileId) {
              return new Uri();
          }
  
          return $this->sourceMediaFileId;
      }
code: public function getSourceMediaFileId(): \Psr\Http\Message\UriInterface
      {
          if (!$this->sourceMediaFileId) {
              return new Uri();
          }
  
          return $this->sourceMediaFileId;
      }
code_tokens: public function getSourceMediaFileId ( ) : \ Psr \ Http \ Message \ UriInterface { if ( ! $ this -> sourceMediaFileId ) { return new Uri ( ) ; } return $ this -> sourceMediaFileId ; }
docstring: Returns the id of the source MediaFile object that this file was generated from.
  
  @return \Psr\Http\Message\UriInterface
docstring_tokens: Returns the id of the source MediaFile object that this file was generated from .