public int METHOD_1 ( TYPE_1 VAR_1 ) throws TYPE_2 { <BUG> return VAR_2 . METHOD_1 ( VAR_1 ) ;</BUG> }
public int METHOD_1 ( TYPE_1 VAR_1 ) throws TYPE_2 { return this . VAR_2 . METHOD_1 ( VAR_1 ) ; } 
