* the method returns.
     *
     * @param output The writer to serialize the toolchains to, must not be {@code null}.
     * @param options The options to use for serialization, may be {@code null} to use the default values.
     * @param toolchains The toolchains to serialize, must not be {@code null}.
     * @throws IOException If the toolchains could not be serialized.
     */

 * override {@code addAll} as well, either providing your own implementation, or delegating to the
 * provided {@code standardAddAll} method.
 *
 * <p><b>{@code default} method warning:</b> This class does <i>not</i> forward calls to {@code
 * default} methods. Instead, it inherits their default implementations. When those implementations
 * invoke methods, they invoke methods on the {@code ForwardingList}.
 *

     * true}. If {@code false}, unknown elements will be ignored instead of causing a failure.
     */
    String IS_STRICT = "org.apache.maven.artifact.repository.metadata.io.isStrict";

    /**
     * Reads the metadata from the specified file.
     *
     * @param input The file to deserialize the metadata from, must not be {@code null}.

     * true}. If {@code false}, unknown elements will be ignored instead of causing a failure.
     */
    String IS_STRICT = "org.apache.maven.settings.io.isStrict";

    /**
     * Reads the settings from the specified file.
     *
     * @param input The file to deserialize the settings from, must not be {@code null}.

     * true}. If {@code false}, unknown elements will be ignored instead of causing a failure.
     */
    String IS_STRICT = "org.apache.maven.toolchains.io.isStrict";

    /**
     * Reads the toolchains from the specified file.
     *
     * @param input The file to deserialize the toolchains from, must not be {@code null}.

    if (alreadyEncoded && (
        codePoint == '\t'.code || codePoint == '\n'.code ||
          codePoint == '\u000c'.code || codePoint == '\r'.code
      )
    ) {
      // Skip this character.
    } else if (codePoint == ' '.code && encodeSet === FORM_ENCODE_SET) {
      // Encode ' ' as '+'.
      writeUtf8("+")
    } else if (codePoint == '+'.code && plusIsSpace) {

## Misture `Path`, `Query` e parâmetros de corpo

Primeiro, é claro, você pode misturar `Path`, `Query` e declarações de parâmetro no corpo da requisição livremente e o **FastAPI** saberá o que fazer.

E você também pode declarar parâmetros de corpo como opcionais, definindo o valor padrão com `None`:

//// tab | Python 3.10+

```Python hl_lines="17-19"

用于 Starlette：

* <a href="https://www.python-httpx.org" target="_blank"><code>httpx</code></a> - 使用 `TestClient` 时安装。
* <a href="https://jinja.palletsprojects.com" target="_blank"><code>jinja2</code></a> - 使用默认模板配置时安装。

     *
     * @param session The session to use, must not be {@code null}.
     * @param local The local repository, must not be {@code null}.
     * @param artifact The artifact for which to determine the path, must not be {@code null}.
     * @param remote – The source repository of the artifact, must not be {@code null}.
     * @return The path, relative to the local repository's base directory.
     */
    @Nonnull

     *
     * @param model The model whose duplicate elements should be merged, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void mergeDuplicates(Model model, ModelBuildingRequest request, ModelProblemCollector problems);