@Override
    String getDisplayName() {
        return "this property"
    }

    protected void setToNull(def property) {
        property.set(null)
    }

    protected void nullConvention(def property) {
        property.convention(null)
    }

    def host = Mock(PropertyHost)

    protected void assertPropertyValueIs(T expected, PropertyInternal<?> property) {
        assert property.present

    abstract String getCollectionName()

    @Override
    protected void setToNull(Object property) {
        property.set((Iterable) null)
    }

    @Override
    protected void nullConvention(Object property) {
        property.convention((Iterable) null)
    }

    def property = property()

    protected void assertValueIs(C expected, PropertyInternal<?> property = this.property) {

        return ['k3': 'v3']
    }

    @Override
    protected void setToNull(Object property) {
        property.set((Map) null)
    }

    @Override
    protected void nullConvention(Object property) {
        property.convention((Map) null)
    }

    @Override
    ManagedFactory managedFactory() {
        return new ManagedFactories.MapPropertyManagedFactory(TestUtil.propertyFactory())
    }