@type t() :: %Milvex.Milvus.Proto.Milvus.SelectRoleRequest{
  __unknown_fields__: [Protobuf.unknown_field()],
  base: Milvex.Milvus.Proto.Common.MsgBase.t() | nil,
  include_user_info: boolean(),
  role: Milvex.Milvus.Proto.Milvus.RoleEntity.t() | nil
}