if (set == null) {
        return ImmutableSet.of();
      }
      ImmutableSet<E> ret = ImmutableEnumSet.asImmutable(set);
      set = null; // subsequent manual manipulation of the accumulator mustn't affect ret
      return ret;
    }
  }

  @GwtIncompatible
  @SuppressWarnings({"rawtypes", "unchecked"})
  static <E extends Comparable<? super E>>

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<KeyMatchCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<KeyMatchCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {
        bool((must, should, mustNot, filter) -> notLambda.callback(mustNot), opLambda);

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<AccessTokenCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<AccessTokenCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<PathMappingCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<PathMappingCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {

        bool((must, should, mustNot, filter) -> notLambda.callback(mustNot), opLambda);
    }

    public void bool(BoolCall<FileAuthenticationCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<FileAuthenticationCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<LabelTypeCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<LabelTypeCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {
        bool((must, should, mustNot, filter) -> notLambda.callback(mustNot), opLambda);

 func (t <type 39>) AssignableTo (u <type 26>) <type -15>;
>>; .reflect.val <type 7>; ? <type 42 ".reflect.flag" <type -13>
 func (f <type 42>) .reflect.kind () <type 28>;
 func (f <type 42>) .reflect.mustBe (expected <type 28>);
 func (f <type 42>) .reflect.mustBeExported ();
 func (f <type 42>) .reflect.mustBeAssignable ();
>; }>
 func (v <type 1>) .reflect.iword () <type 43 ".reflect.iword" <type 7>>;

        bool((must, should, mustNot, filter) -> notLambda.callback(mustNot), opLambda);
    }

    public void bool(BoolCall<WebAuthenticationCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<WebAuthenticationCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<ScheduledJobCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<ScheduledJobCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {

        bool((must, should, mustNot, filter) -> {
            filteredLambda.callback(must, filter);
        }, opLambda);
    }

    public void not(OperatorCall<DataConfigCQ> notLambda) {
        not(notLambda, null);
    }

    public void not(final OperatorCall<DataConfigCQ> notLambda, final ConditionOptionCall<BoolQueryBuilder> opLambda) {
        bool((must, should, mustNot, filter) -> notLambda.callback(mustNot), opLambda);