docs: public Indexable taskResult(String taskId) {
          TaskGroupEntry<TaskItem> taskGroupEntry = super.getNode(taskId);
          if (taskGroupEntry != null) {
              return taskGroupEntry.taskResult();
          }
          if (!this.proxyTaskGroupWrapper.isActive()) {
              throw new IllegalArgumentException("A dependency task with id '" + taskId + "' is not found");
          }
          taskGroupEntry = this.proxyTaskGroupWrapper.proxyTaskGroup.getNode(taskId);
          if (taskGroupEntry != null) {
              return taskGroupEntry.taskResult();
          }
          throw new IllegalArgumentException("A dependency task or 'post-run' dependent task with with id '" + taskId + "' not found");
      }