):
    return {"p": p}


class HeaderModelRequiredValidationAlias(BaseModel):
    p: str = Field(validation_alias="p_val_alias")


@app.get("/model-required-validation-alias")
def read_model_required_validation_alias(
    p: Annotated[HeaderModelRequiredValidationAlias, Header()],
):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",