// Only one of sinceSeconds or sinceTime may be specified.
  // +optional
  optional int64 sinceSeconds = 4;

  // An RFC3339 timestamp from which to show logs. If this value
  // precedes the time a pod was started, only logs since the pod start will be returned.
  // If this value is in the future, no logs will be returned.
  // Only one of sinceSeconds or sinceTime may be specified.
  // +optional