protected long getMaxSnap() {
		Long maxSnap = tb.trace.getTimeManager().getMaxSnap();
		return maxSnap == null ? 0 : maxSnap;
	}
Some snapshot likely to exceed the latest
Ghidra/Test/DebuggerIntegrationTest/src/test.slow/java/agent/drgn/rmi/AbstractDrgnTraceRmiTest.java