import org.codelibs.fess.crawler.entity.ResponseData;

/**
 * @author shinsuke
 *
 */
public interface CrawlerClient extends AutoCloseable {

    void setInitParameterMap(Map<String, Object> params);

    ResponseData execute(RequestData data);

    @Override
    default void close() throws Exception {
        // nothing
    }

	body := `{"recursive": false, "dryRun": true, "remove": false, "scanMode": 0}`

	// Test all combinations!
	for pIdx, params := range qParamsArr {
		for vIdx, vars := range varsArr {
			_, err := extractHealInitParams(vars, params, bytes.NewReader([]byte(body)))
			isErrCase := false
			if pIdx < 4 || vIdx < 1 {
				isErrCase = true
			}

			if err != ErrNone && !isErrCase {

                <template>src/main/mdo/writer-ex.vm</template>
              </templates>
              <params>
                <param>packageModelV3=org.apache.maven.model</param>
                <param>packageModelV4=org.apache.maven.api.model</param>
                <param>packageToolV4=org.apache.maven.model.v4</param>
              </params>
            </configuration>
          </execution>
        </executions>
      </plugin>

import org.gradle.api.tasks.testing.Test
import org.gradle.util.GradleVersion
import java.io.StringReader
import java.util.Properties


abstract class BuildBucketProvider : BuildService<BuildBucketProvider.Params> {

    interface Params : BuildServiceParameters {
        val includeTestClasses: Property<String>
        val excludeTestClasses: Property<String>
        val onlyTestGradleVersion: Property<String>

    TF_Operation* less_than = LessThan(
        params->cond_inputs[0], params->cond_inputs[1], params->cond_graph, s_);
    ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);
    params->cond_output = {less_than, 0};

    TF_Operation* add1 = Add(params->body_inputs[0], params->body_inputs[1],
                             params->body_graph, s_, "add1");
    ASSERT_EQ(TF_OK, TF_GetCode(s_)) << TF_Message(s_);

    data = response.json()
    assert response.status_code == 200
    assert data == {"name": "invalid", "price": 3.2, "owner_ids": None}


def test_valid_none_none():
    response = client.get("/items/validnone", params={"send_none": "true"})
    data = response.json()
    assert response.status_code == 200
    assert data is None


def test_double_invalid():
    with pytest.raises(ResponseValidationError):

     *
     * @see org.codelibs.fess.crawler.extractor.Extractor#getText(java.io.InputStream,
     * java.util.Map)
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            @SuppressWarnings("resource")

            throw new IORuntimeException(e);
        }
    }

    protected HttpEntity parseRequestParameters(final String params, final List<Pair<String, String>> paramList, final String encoding) {
        try {
            final List<BasicNameValuePair> parameters =
                    StreamUtil.split(params, "&").get(stream -> stream.filter(StringUtil::isNotBlank).map(s -> {
                        final String name;

        Object proxy, Method method, @Nullable Object[] args) {
      Invokable<?, ?> invokable = interfaceType.method(method);
      ImmutableList<Parameter> params = invokable.getParameters();
      for (int i = 0; i < args.length; i++) {
        Parameter param = params.get(i);
        if (!isNullable(param)) {
          checkNotNull(args[i]);
        }
      }
      return dummyReturnValue(interfaceType.resolveType(method.getGenericReturnType()));

///

```Python hl_lines="11-14"
{!> ../../docs_src/body_fields/tutorial001.py!}
```

////

`Field` 的工作方式和 `Query`、`Path`、`Body` 相同，参数也相同。

/// note | "技术细节"

实际上，`Query`、`Path` 都是 `Params` 的子类，而 `Params` 类又是 Pydantic 中 `FieldInfo` 的子类。

Pydantic 的 `Field` 返回也是 `FieldInfo` 的类实例。

`Body` 直接返回的也是 `FieldInfo` 的子类的对象。后文还会介绍一些 `Body` 的子类。

注意，从 `fastapi` 导入的 `Query`、`Path` 等对象实际上都是返回特殊类的函数。

///