public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { this . VAR_2 . add ( VAR_1 ) ; <BUG> VAR_1 . METHOD_2 ( this ) ;</BUG> return VAR_1 ; }
public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { this . VAR_2 . add ( VAR_1 ) ; return VAR_1 ; } 
