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