private void addSourceArchive(SourceArchive mySourceArchive) {
		// Latest may have added it with same name so check for existing.
		SourceArchive resultSourceArchive =
			dtms[RESULT].getSourceArchive(mySourceArchive.getSourceArchiveID());
		if (resultSourceArchive != null) {
			adjustTime(resultSourceArchive, mySourceArchive);
			return;
		}
		// If no existing source archive then add My.
		((DataTypeManagerDB) dtms[RESULT]).resolveSourceArchive(mySourceArchive);
	}
For JUnit testing only, set the option for resolving a conflict.
@param option forced conflict resolution option
Ghidra/Features/Base/src/main/java/ghidra/app/merge/datatypes/DataTypeMergeManager.java