public static TickStep parse(long threadKey, String stepSpec, TimeRadix radix) {
		try {
			return new TickStep(threadKey, radix.decode(stepSpec));
		}
		catch (NumberFormatException e) {
			throw new IllegalArgumentException("Cannot parse tick step: '" + stepSpec + "'");
		}
	}
A step of a given thread in a schedule: repeating some number of ticks
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/time/schedule/TickStep.java