public GTaskGroup getCurrentGroup() {
		lock.lock();
		try {
			return runningGroup;
		}
		finally {
			lock.unlock();
		}
	}
Returns the currently running group, or null if no group is running.
@return the currently running group, or null if no group is running.
Ghidra/Framework/Project/src/main/java/ghidra/framework/task/GTaskManager.java