converted := []runtime.RawExtension{}
		errMsgs := []string{}
		for _, obj := range review.Request.Objects {
			convertedObj, err := converterFunc(review.Request.DesiredAPIVersion, obj)
			if err != nil {
				errMsgs = append(errMsgs, err.Error())
			}

			converted = append(converted, convertedObj)
		}

type Null struct {
	Converter ValueConverter
}

func (n Null) ConvertValue(v any) (Value, error) {
	if v == nil {
		return nil, nil
	}
	return n.Converter.ConvertValue(v)
}

// NotNull is a type that implements [ValueConverter] by disallowing nil
// values but otherwise delegating to another [ValueConverter].
type NotNull struct {
	Converter ValueConverter
}

			convertor := &dummyConvertor{}
			if actual := tt.resourceExpirationEvaluator.shouldServe(gv, convertor, tt.restStorage); actual != tt.expected {
				t.Errorf("shouldServe() = %v, want %v", actual, tt.expected)
			}
			if !reflect.DeepEqual(convertor.called, gv) {
				t.Errorf("expected converter to be called with %#v, got %#v", gv, convertor.called)
			}
		})
	}
}

        return NotationParserBuilder
            .toType(ModuleVersionSelector.class)
            .fromCharSequence(new StringConverter())
            .converter(new MapConverter())
            .converter(new ProviderConverter(dslContext))
            .converter(new ProviderConvertibleConverter(dslContext));
    }

    static class MapConverter extends MapNotationConverter<ModuleVersionSelector> {
        @Override

            .fromCharSequence(stringNotationConverter)
            .converter(new DependencyMapNotationConverter<>(instantiator, DefaultDependencyConstraint.class))
            .fromType(Project.class, new DependencyConstraintProjectNotationConverter(instantiator, dependencyFactory))
            .converter(projectDependencyNotationConverter)

        expect:
        def converter = adapter.newGraph()
        def model1 = converter.adapt(TestModel.class, protocolModel1)
        def model2 = converter.adapt(TestModel.class, protocolModel2)
        !model1.is(model2)
        model1.project.is(model2.project)

        def otherModel1 = converter.adapt(TestModel.class, protocolModel1)
        model1.is(otherModel1)
    }

			return into, gvk, strictDecodingErr
		}

		if err := c.convertor.Convert(obj, into, c.decodeVersion); err != nil {
			return nil, gvk, err
		}

		return into, gvk, strictDecodingErr
	}

	// perform defaulting if requested
	if c.defaulter != nil {
		c.defaulter.Default(obj)
	}

	out, err := c.convertor.ConvertToVersion(obj, c.decodeVersion)
	if err != nil {
		return nil, gvk, err

  TFQuantTypeConverter converter;
  RewritePatternSet patterns(&getContext());
  patterns.add<TFQuantTypePattern>(&getContext(), converter);
  patterns.add<TFConstOpQuantToIntPattern, TFUniformQuantizedOpsPattern>(
      &getContext());
  populateFunctionOpInterfaceTypeConversionPattern<func::FuncOp>(patterns,
                                                                 converter);

import spock.lang.Specification

import javax.annotation.Nullable

class MapNotationConverterTest extends Specification {
    final NotationParser parser = NotationParserBuilder.toType(TargetObject).converter(new DummyConverter()).toComposite()

    def "parses map with required keys"() {
        expect:
        def object = parser.parseNotation([name: 'name', version: 'version'])
        object.key1 == 'name'

* **Verificações de tipo**.

... e **FastAPI** usa as mesmas declarações para:

* **Definir requisitos**: dos parâmetros do caminho da solicitação, parâmetros da consulta, cabeçalhos, corpos, dependências, etc.
* **Converter dados**: da solicitação para o tipo necessário.
* **Validar dados**: provenientes de cada solicitação:
    * A geração de **erros automáticos** retornou ao cliente quando os dados são inválidos.