@type t() :: %Milvex.Milvus.Proto.Milvus.DeleteUserTagsRequest{
  __unknown_fields__: [Protobuf.unknown_field()],
  base: Milvex.Milvus.Proto.Common.MsgBase.t() | nil,
  tag_keys: [String.t()],
  user_name: String.t()
}