@type t() :: %CliSubprocessCore.RuntimeGateway.StartRequest{
  authority_ref: term(),
  command_digest: term(),
  command_ref: term(),
  contract_version: term(),
  deadline_at: term(),
  environment_materialization_ref: term(),
  fence: term(),
  generation: term(),
  operation_ref: term(),
  session_ref: term(),
  target_ref: term(),
  working_directory_ref: term()
}