code: @NotNull
      public IntStream filterNot(@NotNull final IntPredicate predicate) {
          return filter(IntPredicate.Util.negate(predicate));
      }
docs: Returns a stream consisting of the elements of this stream that don't
  match the given predicate.
  
  <p> This is an intermediate operation.
  
  @param predicate non-interfering, stateless predicate to apply to each
  element to determine if it should not be included
  @return the new stream