public static @Nullable ExternalSystemTaskNotificationEvent legacyConvertProgressBuildEvent(
    @NotNull ExternalSystemTaskId taskId,
    @NotNull Object id,
    @NotNull String event
  ) {
    var total = -1L;
    var progress = -1L;
    var unit = "";
    var operationName = legacyConvertBuildEventDisplayName(event);
    if (operationName == null) {
      return null;
    }
    var esEvent = new ProgressBuildEventImpl(id, null, 0, operationName + "...", total, progress, unit);
    return new ExternalSystemBuildEvent(taskId, esEvent);
  }
public static @Nullable ExternalSystemTaskNotificationEvent legacyConvertProgressBuildEvent(
    @NotNull ExternalSystemTaskId taskId,
    @NotNull Object id,
    @NotNull String event
  )