original_string: public function isOptional()
      {
          $min = (int) $this->getConfigurationValue('repeat_min');
          $max = (int) $this->getConfigurationValue('repeat_max');
  
          return $min === 0 && $max > 0;
      }
code: public function isOptional()
      {
          $min = (int) $this->getConfigurationValue('repeat_min');
          $max = (int) $this->getConfigurationValue('repeat_max');
  
          return $min === 0 && $max > 0;
      }
code_tokens: public function isOptional ( ) { $ min = ( int ) $ this -> getConfigurationValue ( 'repeat_min' ) ; $ max = ( int ) $ this -> getConfigurationValue ( 'repeat_max' ) ; return $ min === 0 && $ max > 0 ; }
docstring: Is this field repeatable?
  
  @return bool
docstring_tokens: Is this field repeatable?