public boolean METHOD_1 ( ) { <BUG> if ( ! ( iterator . METHOD_1 ( ) ) ) {iterator = VAR_1 . iterator ( ) ;}return iterator . METHOD_1 ( ) ;</BUG> }
public boolean METHOD_1 ( ) { return ( iterator . METHOD_1 ( ) ) || ( VAR_1 . iterator ( ) . METHOD_1 ( ) ) ; } 
