@type t() :: %Milvex.Milvus.Proto.Milvus.GetFlushAllStateRequest{
  __unknown_fields__: [Protobuf.unknown_field()],
  base: Milvex.Milvus.Proto.Common.MsgBase.t() | nil,
  db_name: String.t(),
  flush_all_ts: non_neg_integer(),
  flush_all_tss: %{optional(String.t()) => non_neg_integer() | nil},
  flush_targets: [Milvex.Milvus.Proto.Milvus.FlushAllTarget.t()]
}