p: Annotated[list[bytes], File(validation_alias="p_val_alias")],
):
    return {"file_size": [len(file) for file in p]}


@app.post(
    "/list-uploadfile-validation-alias",
    operation_id="list_uploadfile_validation_alias",
)
def read_list_uploadfile_validation_alias(
    p: Annotated[list[UploadFile], File(validation_alias="p_val_alias")],
):
    return {"file_size": [file.size for file in p]}