):
    return {"p": p}


class HeaderModelRequiredAliasAndValidationAlias(BaseModel):
    p: str = Field(alias="p_alias", validation_alias="p_val_alias")


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