public AddressSetView getAddressesOnlyInOne() {
		return programDiff.getAddressesOnlyInOne();
	}
Returns the addresses that are in program1, but not in program2
@return the addresses that are in program1, but not in program2.
The addresses in this address set are derived from program1.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramMergeManager.java