public final void METHOD_1 ( final TYPE_1 < TYPE_2 > data ) { java.util.HashSet < TYPE_2 > set = VAR_1 . get ( data . label ) ; if ( set == null ) { set = new java.util.HashSet < TYPE_2 > ( ) ; VAR_1 . put ( data . label , set ) ; } set . add ( VAR_2 ) ; }

public final synchronized void METHOD_1 ( final TYPE_1 < TYPE_2 > data ) { java.util.Set < TYPE_2 > set = VAR_1 . get ( data . label ) ; if ( set == null ) { set = new java.util.HashSet < > ( ) ; VAR_1 . put ( data . label , set ) ; } set . add ( VAR_2 ) ; }
