@type t() :: %DockerEngineAPI.Model.ServiceEndpoint{
  Ports: [DockerEngineAPI.Model.EndpointPortConfig.t()] | nil,
  Spec: DockerEngineAPI.Model.EndpointSpec.t() | nil,
  VirtualIPs: [DockerEngineAPI.Model.ServiceEndpointVirtualIpsInner.t()] | nil
}