}

        public final Object getInstance() {
            Object result = instance;
            if (result == null) {
                synchronized (this) {
                    result = instance;
                    if (result == null) {
                        setInstance(createServiceInstance());
                        result = instance;
                    }
                }
            }

                @Override void beforeSuite(TestDescriptor suite) {}
                @Override void afterSuite(TestDescriptor suite, TestResult result) {}
                @Override void beforeTest(TestDescriptor testDescriptor) {}
                @Override void afterTest(TestDescriptor testDescriptor, TestResult result) {}
            }

            class TestOutputAdapter implements TestOutputListener {

        List<ExpressionValue> result = new ArrayList<>(expressions.length);
        for (Object expression : expressions) {
            result.add(expressionValue(expression));
        }
        return result;
    }

    private static Map<String, ExpressionValue> expressionMap(Map<String, ?> expressions) {
        LinkedHashMap<String, ExpressionValue> result = new LinkedHashMap<>();

        def value = BigDecimal.TEN
        def parent = Mock(ParentServices)
        def registry = new TestRegistry(registry(parent))

        when:
        def result = registry.get(BigDecimal)

        then:
        result == value

        and:
        1 * parent.get(BigDecimal) >> value
    }

    def delegatesToParentsForUnknownService() {
        def value = BigDecimal.TEN

		ExpectXML: `<result>` +
			`<Items>` +
			`</Items>` +
			`</result>`,
	},
	{
		Value: &NestedItems{Items: []string{}, Item1: []string{}},
		ExpectXML: `<result>` +
			`<Items>` +
			`</Items>` +
			`</result>`,
		MarshalOnly: true,
	},
	{
		Value: &NestedItems{Items: nil, Item1: []string{"A"}},
		ExpectXML: `<result>` +
			`<Items>` +
			`<item1>A</item1>` +

func convertVirtualService(r configContext) []config.Config {
	result := []config.Config{}
	for _, obj := range r.TCPRoute {
		result = append(result, buildTCPVirtualService(r, obj)...)
	}

	for _, obj := range r.TLSRoute {
		result = append(result, buildTLSVirtualService(r, obj)...)
	}

	// for gateway routes, build one VS per gateway+host

    checkNotNull(elementsToRemove);
    boolean result = false;
    while (removeFrom.hasNext()) {
      if (elementsToRemove.contains(removeFrom.next())) {
        removeFrom.remove();
        result = true;
      }
    }
    return result;
  }

  /**
   * Removes every element that satisfies the provided predicate from the iterator. The iterator

    checkNotNull(elementsToRemove);
    boolean result = false;
    while (removeFrom.hasNext()) {
      if (elementsToRemove.contains(removeFrom.next())) {
        removeFrom.remove();
        result = true;
      }
    }
    return result;
  }

  /**
   * Removes every element that satisfies the provided predicate from the iterator. The iterator

		}
		if isComparison(x.Op) {
			// The result type is independent of operand types
			// and the operand types must have final types.
		} else if isShift(x.Op) {
			// The result type depends only on lhs operand.
			// The rhs type was updated when checking the shift.
			check.updateExprType0(x, x.X, typ, final)
		} else {
			// The operand types match the result type.
			check.updateExprType0(x, x.X, typ, final)

		q := MustParse(testCase)
		if result := q.DeepCopy(); result != q {
			t.Errorf("Expected: %v, Actual: %v", q, result)
		}
	}
	table := []*inf.Dec{
		dec(0, 0).Dec,
		dec(10, 0).Dec,
		dec(-10, 0).Dec,
	}
	// Test when i is {0,0}
	for _, testCase := range table {
		q := Quantity{d: infDecAmount{testCase}, Format: DecimalSI}
		result := q.DeepCopy()
		if q.d.Cmp(result.AsDec()) != 0 {