):
    return {"p": p}


class QueryModelOptionalListAlias(BaseModel):
    p: Optional[list[str]] = Field(None, alias="p_alias")


@app.get("/model-optional-list-alias")
async def read_model_optional_list_alias(
    p: Annotated[QueryModelOptionalListAlias, Query()],
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    ["/optional-list-alias", "/model-optional-list-alias"],
)

class FormModelOptionalListAlias(BaseModel):
    p: Optional[list[str]] = Field(None, alias="p_alias")


@app.post("/model-optional-list-alias", operation_id="model_optional_list_alias")
async def read_model_optional_list_alias(
    p: Annotated[FormModelOptionalListAlias, Form()],
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    [
        "/optional-list-alias",

):
    return {"p": p}


class HeaderModelOptionalListAlias(BaseModel):
    p: Optional[list[str]] = Field(None, alias="p_alias")


@app.get("/model-optional-list-alias")
async def read_model_optional_list_alias(
    p: Annotated[HeaderModelOptionalListAlias, Header()],
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    ["/optional-list-alias", "/model-optional-list-alias"],
)

class BodyModelOptionalListAlias(BaseModel):
    p: Optional[list[str]] = Field(None, alias="p_alias")


@app.post("/model-optional-list-alias", operation_id="model_optional_list_alias")
async def read_model_optional_list_alias(p: BodyModelOptionalListAlias):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",
    [
        "/optional-list-alias",
        "/model-optional-list-alias",
    ],
)