<BUG>void METHOD_1 ( int index ) {if ( index == ( - 1 ) ) return ;</BUG> TYPE_1 id = VAR_1 . get ( index ) ; list . remove ( id ) ; <BUG> VAR_1 . remove ( index ) ;</BUG> }
TYPE_1 METHOD_1 ( int index ) { if ( index == ( - 1 ) ) return null ; TYPE_1 id = VAR_1 . get ( index ) ; list . remove ( id ) ; return VAR_1 . remove ( index ) ; } 
