# Validation alias


@app.post(
    "/optional-bytes-validation-alias", operation_id="optional_bytes_validation_alias"
)
def read_optional_bytes_validation_alias(
    p: Annotated[Optional[bytes], File(validation_alias="p_val_alias")] = None,
):
    return {"file_size": len(p) if p else None}


@app.post(
    "/optional-uploadfile-validation-alias",