original_string: public function getSourceModelName($type = null)
      {
          $type = $type ?: $this->source_type;
  
          return source_model_name($type, true);
      }
code: public function getSourceModelName($type = null)
      {
          $type = $type ?: $this->source_type;
  
          return source_model_name($type, true);
      }
code_tokens: public function getSourceModelName ( $ type = null ) { $ type = $ type ? : $ this -> source_type ; return source_model_name ( $ type , true ) ; }
docstring: Returns the source model name
  
  @param string|null $type
  @return string
docstring_tokens: Returns the source model name