code: @SafeVarargs
      public static <T> Predicate<T> notIn(@Nonnull T first, @Nonnull T... rest) {
          return Predicates.not(in(first, rest));
      }
docs: Predicate that returns true when input value is memeber of set consisting of {@code first} and {@code rest}
  
  @param first element
  @param rest  of the elements
  @param <T>   type of elements
  @return the not in predicate