@type t() :: %Milvex.Milvus.Proto.Msg.ImportMsg{
  __unknown_fields__: [Protobuf.unknown_field()],
  base: Milvex.Milvus.Proto.Common.MsgBase.t() | nil,
  collectionID: integer(),
  collection_name: String.t(),
  db_name: String.t(),
  files: [Milvex.Milvus.Proto.Msg.ImportFile.t()],
  jobID: integer(),
  options: %{optional(String.t()) => String.t() | nil},
  partitionIDs: [integer()],
  schema: Milvex.Milvus.Proto.Schema.CollectionSchema.t() | nil
}