original_string: protected function getChanges(): Changes
      {
          if (null === $this->changes) {
              $this->changes = new Changes();
          }
  
          return $this->changes;
      }
code: protected function getChanges(): Changes
      {
          if (null === $this->changes) {
              $this->changes = new Changes();
          }
  
          return $this->changes;
      }
code_tokens: protected function getChanges ( ) : Changes { if ( null === $ this -> changes ) { $ this -> changes = new Changes ( ) ; } return $ this -> changes ; }
docstring: Get FS-changes object.
docstring_tokens: Get FS - changes object .