#  The base directory of package for generated class.
    #  The class package is 'this property value + detail package value'.
    #  However, detail packages have default value so basically
    #  you only have to specify the property 'packageBase'.
    #  If this property is specified and detail package properties is not specified, 
    #  Then the packages of generated class are as follows:
    #

    /**
     * The one-based index of the column containing the error.
     */
    private final int columnNumber;

    /**
     * Creates a new parser exception with the specified details.
     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.

                        "title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"

   *
   * <p>The outer list is unmodifiable, but reflects the latest state of the source list. The inner
   * lists are sublist views of the original list, produced on demand using {@link List#subList(int,
   * int)}, and are subject to all the usual caveats about modification as explained in that API.
   *
   * @param list the list to return consecutive sublists of

Por ejemplo, ampliando el modelo anterior, podrías decidir que deseas tener otra clave `importance` en el mismo cuerpo, además de `item` y `user`.

Si lo declaras tal cual, debido a que es un valor singular, **FastAPI** asumirá que es un parámetro de query.

Pero puedes instruir a **FastAPI** para que lo trate como otra clave del cuerpo usando `Body`:

This is useful for protocols like [MCP](https://modelcontextprotocol.io) that stream SSE over `POST`:

{* ../../docs_src/server_sent_events/tutorial005_py310.py hl[14] *}

## Technical Details { #technical-details }

FastAPI implements some SSE best practices out of the box.

/// info

The important point is that your app will be able to produce each line in turn, while the client consumes the previous lines.

///

/// note | Technical Details

Because each JSON object will be separated by a new line, they can't contain literal new line characters in their content, but they can contain escaped new lines (`\n`), which is part of the JSON standard.

/// details | 🌐 Translation by AI and humans

This translation was made by AI guided by humans. 🤝

It could have mistakes of misunderstanding the original meaning, or looking unnatural, etc. 🤖

You can improve this translation by [helping us guide the AI LLM better](https://fastapi.tiangolo.com/contributing/#translations).

[English version](ENGLISH_VERSION_URL)

/// details | 🌐 Traduction par IA et humains

Cette traduction a été réalisée par une IA guidée par des humains. 🤝

Elle peut contenir des erreurs d'interprétation du sens original, ou paraître peu naturelle, etc. 🤖

Vous pouvez améliorer cette traduction en [nous aidant à mieux guider le LLM d'IA](https://fastapi.tiangolo.com/fr/contributing/#translations).

[Version anglaise](ENGLISH_VERSION_URL)

/// details | 🌐 Tradução por IA e humanos

Esta tradução foi feita por IA orientada por humanos. 🤝

Ela pode conter erros de interpretação do significado original ou soar pouco natural, etc. 🤖

Você pode melhorar esta tradução [ajudando-nos a orientar melhor o LLM de IA](https://fastapi.tiangolo.com/pt/contributing/#translations).

[Versão em inglês](ENGLISH_VERSION_URL)