@type t() :: %Milvex.Milvus.Proto.Schema.IDs{
  __unknown_fields__: [Protobuf.unknown_field()],
  id_field:
    {:int_id, Milvex.Milvus.Proto.Schema.LongArray.t() | nil}
    | {:str_id, Milvex.Milvus.Proto.Schema.StringArray.t() | nil}
    | nil
}