default Address getStart(long snap) {
		AddressRange range = getRange(snap);
		return range == null ? null : range.getMinAddress();
	}
@see #getRange(long)
@param snap the snap
@return the min address in the range
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/modules/TraceSection.java