from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: set[str] = set()


@app.post("/items/", response_model=Item, summary="Create an item")
async def create_item(item: Item):
    """
    Create an item with all the information:

class AddCommentData(BaseModel):
    addDiscussionComment: AddDiscussionComment


class AddCommentResponse(BaseModel):
    data: AddCommentData


class CommentsEdge(BaseModel):
    node: Comment
    cursor: str


class Comments(BaseModel):
    edges: list[CommentsEdge]


class CommentsDiscussion(BaseModel):
    comments: Comments


class CommentsRepository(BaseModel):

      ResponseHeadersEnd::class,
      ResponseBodyStart::class,
      ResponseBodyEnd::class,
      FollowUpDecision::class,
      RequestHeadersStart::class,
      RequestHeadersEnd::class,
      ResponseHeadersStart::class,
      ResponseHeadersEnd::class,
      FollowUpDecision::class,
      ResponseBodyStart::class,
      ResponseBodyEnd::class,
      ConnectionReleased::class,
      CallEnd::class,

* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object" class="external-link" target="_blank">Objeto de Responses de OpenAPI</a>, incluye el `Response Object`.

* <a href="https://github.com/encode/uvicorn/blob/master/uvicorn/middleware/proxy_headers.py" class="external-link" target="_blank">Uvicorn's `ProxyHeadersMiddleware`</a>
* <a href="https://github.com/florimondmanca/msgpack-asgi" class="external-link" target="_blank">MessagePack</a>

import java.util.Collection;
import java.util.Iterator;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * This class provides a skeletal implementation of the {@link Multiset} interface. A new multiset
 * implementation can be created easily by extending this class and implementing the {@link
 * Multiset#entrySet()} method, plus optionally overriding {@link #add(Object, int)} and {@link

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", 2, "..."));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", 8, "1234567890"));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", -1, "..."));

    assertThrows(IllegalArgumentException.class, () -> Ascii.truncate("foobar", -1, ""));
  }

class OAuthFlow(BaseModelWithConfig):
    refreshUrl: Optional[str] = None
    scopes: dict[str, str] = {}


class OAuthFlowImplicit(OAuthFlow):
    authorizationUrl: str


class OAuthFlowPassword(OAuthFlow):
    tokenUrl: str


class OAuthFlowClientCredentials(OAuthFlow):
    tokenUrl: str


class OAuthFlowAuthorizationCode(OAuthFlow):
    authorizationUrl: str
    tokenUrl: str

        }
    }

    @Test
    fun `from null class type argument to non-null might be breaking`() {

        checkNotBinaryCompatibleJava(
            v1 = """
                import $nullableAnnotationName;
                public class Source<String, @Nullable T, Integer> {}
            """,
            v2 = """
                public class Source<String, T, Integer> {}
            """
        ) {

Pero si por alguna razón tus clientes dependen del comportamiento anterior, puedes volver a él sobrescribiendo el método `make_not_authenticated_error` en tus clases de seguridad.