<BUG>private java.util.ArrayList < TYPE_1 > METHOD_1 ( TYPE_2 VAR_1 ) {if ( ( VAR_2 . get ( VAR_1 ) ) == null ) VAR_2 . put ( VAR_1 , new java.util.ArrayList < TYPE_1 > ( ) ) ;</BUG> return VAR_2 . get ( VAR_1 ) ; }
private java.util.Set < TYPE_1 > METHOD_1 ( TYPE_2 VAR_1 ) { if ( ( VAR_2 . get ( VAR_1 ) ) == null ) VAR_2 . put ( VAR_1 , new java.util.HashSet < TYPE_1 > ( ) ) ; return VAR_2 . get ( VAR_1 ) ; } 
