original_string: protected function getPropertyQueryName($propertyId)
      {
          $propertyDefinition = $this->getObjectType()->getPropertyDefinition($propertyId);
          if ($propertyDefinition === null) {
              return null;
          }
  
          return $propertyDefinition->getQueryName();
      }
code: protected function getPropertyQueryName($propertyId)
      {
          $propertyDefinition = $this->getObjectType()->getPropertyDefinition($propertyId);
          if ($propertyDefinition === null) {
              return null;
          }
  
          return $propertyDefinition->getQueryName();
      }
code_tokens: protected function getPropertyQueryName ( $ propertyId ) { $ propertyDefinition = $ this -> getObjectType ( ) -> getPropertyDefinition ( $ propertyId ) ; if ( $ propertyDefinition === null ) { return null ; } return $ propertyDefinition -> getQueryName ( ) ; }
docstring: Returns the query name of a property.
  
  @param string $propertyId
  @return null|string
docstring_tokens: Returns the query name of a property .