code: public function getManualKeyTitle($class, $column)
      {
  
          $class = ltrim($this->getClassName($class),'\\');
          if(isset($this->manualKeyTitles[$class.'|'.$column])){
              return $this->manualKeyTitles[$class.'|'.$column];
          }
      }
docs: Return a manually overwritten title for $class->$column
  
  @param string $class
  @param string $column
  @return string