@type t() :: %DockerEngineAPI.Model.SystemDataUsageResponse{
  BuildCacheUsage: DockerEngineAPI.Model.BuildCacheDiskUsage.t() | nil,
  ContainerUsage: DockerEngineAPI.Model.ContainersDiskUsage.t() | nil,
  ImageUsage: DockerEngineAPI.Model.ImagesDiskUsage.t() | nil,
  VolumeUsage: DockerEngineAPI.Model.VolumesDiskUsage.t() | nil
}