public void advance(long steps) {
		if (steps < 0) {
			throw new IllegalArgumentException("Cannot advance a negative number");
		}
		long newCount = tickCount + steps;
		if (newCount < 0) {
			throw new IllegalArgumentException("Total step count exceeds LONG_MAX");
		}
		this.tickCount = newCount;
	}
Add to the count of this step

@param steps the count to add
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/time/schedule/AbstractStep.java