private VTMatchSet findMatchSet(String correlatorClassName) {
		for (VTMatchSet matchSet : matchSets) {
			VTProgramCorrelatorInfo info = matchSet.getProgramCorrelatorInfo();
			String matchSetCorrelatorClassName = info.getCorrelatorClassName();
			if (correlatorClassName.equals(matchSetCorrelatorClassName)) {
				return matchSet;
			}
		}
		return null;
	}
Mark the state of a Version Tracking item as having changed and generate
the event of the specified type.  Any or all parameters may be null.
@param eventType event type
@param affected the version tracking object that was affected by the change.
@param oldValue original value or an Object that is related to the event.
@param newValue new value or an Object that is related to the event.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/api/db/VTSessionDB.java