/**
  * Resolve an object from an object and a formard ref path
  *
  * @param CMbObject $object The object to resolve forward ref object
  * @param string    $field  The path to resolve
  *
  * @return array|null
  */
 static function resolveObjectFieldStatic(CMbObject $object, $field)
 {
     $parts = explode("-", $field);
     if (count($parts) == 1) {
         return array("object" => $object, "field" => $parts[0]);
     } else {
         $subparts = explode(".", $parts[0]);
         $_field = $subparts[0];
         /** @var CRefSpec $_spec */
         $_spec = $object->_specs[$_field];
         if (count($subparts) <= 1 && !$_spec->class) {
             return null;
         }
         return array("object" => $object->loadFwdRef($_field, true), "field" => $parts[1]);
     }
 }