private static void METHOD_1 ( long VAR_1 ) { TYPE_1 VAR_2 = TYPE_2 . remove ( VAR_1 ) ; if ( VAR_2 == null ) throw new TYPE_3 ( STRING_1 ) ; } 

private static void METHOD_1 ( long VAR_1 ) { if ( VAR_1 == ( NULL ) ) return ; TYPE_1 VAR_2 = TYPE_2 . remove ( VAR_1 ) ; if ( VAR_2 == null ) throw new TYPE_3 ( STRING_1 ) ; } 
