public static @NotNull ExternalSystemTaskNotificationEvent legacyConvertTaskNotificationEvent(
    @NotNull ExternalSystemTaskId taskId,
    @NotNull String event
  ) {
    return new ExternalSystemTaskNotificationEvent(taskId, event);
  }
public static @NotNull ExternalSystemTaskNotificationEvent legacyConvertTaskNotificationEvent(
    @NotNull ExternalSystemTaskId taskId,
    @NotNull String event
  )