public AddressSetView getFilteredDifferences(TaskMonitor monitor) throws CancelledException {
		return new AddressSet(programDiff.getDifferences(diffFilter, monitor));
	}
Gets the filtered program differences for this merge. Only differences are
indicated for merge filter categories that are enabled and for address
that have not been marked as ignored.
@param monitor the task monitor for indicating the progress of
determining differences. This monitor also allows the user to cancel if
the diff takes too long. If no monitor is desired, use null.
@return the program differences.
The addresses in this address set are derived from program2.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramMergeManager.java