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

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 ) ; } 
