src/vs/workbench/contrib/tasks/browser/task.contribution.ts/TaskStatusBarContributions/ignoreEventForUpdateRunningTasksCount
class TaskStatusBarContributions:	private ignoreEventForUpdateRunningTasksCount(event: TaskEvent): boolean {
		if (!this.taskService.inTerminal()) {
			return false;
		}

		if (event.group !== TaskGroup.Build) {
			return true;
		}

		if (!event.__task) {
			return false;
		}

		return event.__task.configurationProperties.problemMatchers === undefined || event.__task.configurationProperties.problemMatchers.length === 0;
	}