public AddressSetView getCombinedAddresses() {
		return programDiff.getCombinedAddresses();
	}
Returns the addresses from combining the address sets in program1 and program2
@return the addresses for both program1 and program2.
The addresses in this address set are derived from program1.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramMergeManager.java