static function ownsRef($fname) {
		$refDefs = static::refDefs();
		$owns = $refDefs[$fname][static::OWNS];
		if ($owns === null) {
			throw new \Exception("Invalid fname `$fname` called for ownsRef");
		}
		return $owns;
	}
static function ownsRef($fname) {
		$refDefs = static::refDefs();
		$owns = $refDefs[$fname][static::OWNS];
		if ($owns === null) {
			throw new \Exception("Invalid fname `$fname` called for ownsRef");
		}
		return $owns;
	}
static function ownsRef ( $ fname ) { $ refDefs = static :: refDefs ( ) ; $ owns = $ refDefs [ $ fname ] [ static :: OWNS ] ; if ( $ owns === null ) { throw new \ Exception ( "Invalid fname `$fname` called for ownsRef" ) ; } return $ owns ; }
Throws an exception if `fname` is unrecognized.
Throws an exception if fname is unrecognized .