# =====================================================================================
# Validation alias


@app.post("/optional-validation-alias", operation_id="optional_validation_alias")
def read_optional_validation_alias(
    p: Annotated[str | None, Form(validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class FormModelOptionalValidationAlias(BaseModel):

# =====================================================================================
# Validation alias


@app.get("/optional-validation-alias")
def read_optional_validation_alias(
    p: Annotated[str | None, Header(validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class HeaderModelOptionalValidationAlias(BaseModel):

# =====================================================================================
# Validation alias


@app.get("/optional-validation-alias")
def read_optional_validation_alias(
    p: Annotated[str | None, Cookie(validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class CookieModelOptionalValidationAlias(BaseModel):

# =====================================================================================
# Validation alias


@app.get("/optional-validation-alias")
def read_optional_validation_alias(
    p: Annotated[str | None, Query(validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class QueryModelOptionalValidationAlias(BaseModel):

# =====================================================================================
# Validation alias


@app.post("/optional-validation-alias", operation_id="optional_validation_alias")
def read_optional_validation_alias(
    p: Annotated[str | None, Body(embed=True, validation_alias="p_val_alias")] = None,
):
    return {"p": p}


class BodyModelOptionalValidationAlias(BaseModel):