public long getTotalTime() {
		if (totalTime == null) {
			long sum = 0;
			for (long t : taskTimes.values()) {
				sum += t;
			}
			totalTime = sum;
		}
		return totalTime;
	}
Get the total accumulated task time for all task entries
in milliseconds
@return total accumuated task time in milliseconds
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/analysis/StoredAnalyzerTimes.java