{* ../../docs_src/dataclasses_/tutorial001_py310.py hl[1,6:11,18:19] *}

This is still supported thanks to **Pydantic**, as it has <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">internal support for `dataclasses`</a>.

# CORS (Обмін ресурсами між різними джерелами)

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">CORS або "Обмін ресурсами між різними джерелами"</a> є ситуація, коли фронтенд, що працює в браузері, містить JavaScript-код, який взаємодіє з бекендом, розташованим в іншому "джерелі" (origin).

## Джерело (Origin)

## Технические детали { #technical-details }

Класс `BackgroundTasks` приходит напрямую из <a href="https://www.starlette.dev/background/" class="external-link" target="_blank">`starlette.background`</a>.

{* ../../docs_src/middleware/tutorial001_py39.py hl[8:9,11,14] *}

/// tip | Dica

Tenha em mente que cabeçalhos proprietários personalizados podem ser adicionados <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers" class="external-link" target="_blank">usando o prefixo `X-`</a>.

import com.google.common.collect.ImmutableList;
import com.google.gson.annotations.SerializedName;
import japicmp.model.JApiMethod;

import java.util.List;
import java.util.Objects;

public class UpgradedProperty {
    private final String containingType;
    private final String propertyName;
    private final String methodName;
    private final String methodDescriptor;

    /**

Cualquier función que sea válida para usar con:

* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a> o
* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>

sería válida para usar como una dependencia en **FastAPI**.

            println(key)
            println(value.content)
          }
        }
      }

      @JsonClass(generateAdapter = true)
      data class Gist(var files: Map<String, GistFile>?)

      @JsonClass(generateAdapter = true)
      data class GistFile(var content: String?)
    ```
=== ":material-language-java: Java"
    ```java
      private final OkHttpClient client = new OkHttpClient();

/**
 * Form class for editing data crawling configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing data config entries,
 * including tracking information for optimistic locking and audit trails.
 * Data configs define how to crawl and extract data from databases, CSV files, and other data sources.
 *
 */
public class EditForm extends CreateForm {

    /**

import jakarta.validation.constraints.Size;

/**
 * Form class for editing user groups in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing group entries,
 * including tracking information for optimistic locking and audit trails.
 * Groups are used to organize users and define access permissions.
 *
 */
public class EditForm extends CreateForm {

    /**

/**
 * Form class for editing path mapping configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing path map entries,
 * including tracking information for optimistic locking and audit trails.
 * Path mappings are used to transform document URLs and paths during indexing and display.
 *
 */
public class EditForm extends CreateForm {

    /**