/**
  * Returns a new PrayerRequestQuery object.
  *
  * @param     string $modelAlias The alias of a model in the query
  * @param   PrayerRequestQuery|Criteria $criteria Optional Criteria to build the query from
  *
  * @return PrayerRequestQuery
  */
 public static function create($modelAlias = null, $criteria = null)
 {
     if ($criteria instanceof PrayerRequestQuery) {
         return $criteria;
     }
     $query = new PrayerRequestQuery(null, null, $modelAlias);
     if ($criteria instanceof Criteria) {
         $query->mergeWith($criteria);
     }
     return $query;
 }