original_string: protected function studies(Department $department) {
          return $this->validateCollection($department->studiesActiveOn($this->period)->get());
      }
code: protected function studies(Department $department) {
          return $this->validateCollection($department->studiesActiveOn($this->period)->get());
      }
code_tokens: protected function studies ( Department $ department ) { return $ this -> validateCollection ( $ department -> studiesActiveOn ( $ this -> period ) -> get ( ) ) ; }
docstring: Get the studies to migrate.
  
  @param Department $department
  @return mixed
docstring_tokens: Get the studies to migrate .