/**
  * @param  string         $elementName
  * @param  Project        $project
  * @throws BuildException
  * @return Condition
  */
 public function customChildCreator($elementName, Project $project)
 {
     $condition = $project->createCondition($elementName);
     $num = array_push($this->conditions, $condition);
     return $this->conditions[$num - 1];
 }