@type t() :: %DockerEngineAPI.Model.SwarmSpec{
  CAConfig: DockerEngineAPI.Model.SwarmSpecCaConfig.t() | nil,
  Dispatcher: DockerEngineAPI.Model.SwarmSpecDispatcher.t() | nil,
  EncryptionConfig: DockerEngineAPI.Model.SwarmSpecEncryptionConfig.t() | nil,
  Labels: %{optional(String.t()) => String.t()} | nil,
  Name: String.t() | nil,
  Orchestration: DockerEngineAPI.Model.SwarmSpecOrchestration.t() | nil,
  Raft: DockerEngineAPI.Model.SwarmSpecRaft.t() | nil,
  TaskDefaults: DockerEngineAPI.Model.SwarmSpecTaskDefaults.t() | nil
}