@type t() :: %Milvex.Milvus.Proto.Common.MsgBase{
  __unknown_fields__: [Protobuf.unknown_field()],
  msgID: integer(),
  msg_type: Milvex.Milvus.Proto.Common.MsgType.t(),
  properties: %{optional(String.t()) => String.t() | nil},
  replicateInfo: Milvex.Milvus.Proto.Common.ReplicateInfo.t() | nil,
  sourceID: integer(),
  targetID: integer(),
  timestamp: non_neg_integer()
}