public static boolean METHOD_1 ( java.lang.String VAR_1 ) { <BUG> return ( TYPE_1 . METHOD_2 ( VAR_1 ) ) != null ;</BUG> }
public static boolean METHOD_1 ( java.lang.String VAR_1 ) { return ( TYPE_1 . METHOD_2 ( VAR_1 ) ) == null ; } 
