synchronized void setRestrictedAddressSet(AddressSetView restrictSet) {
		this.restrictAddressSet = restrictSet;
		computeDiffsToReturn();
	}
Set the address set that the getDifferences method results are restricted to.
@param restrictSet the address set to restrict results to. null indicates no restriction.
The addresses in this address set should be derived from program1.
Ghidra/Features/Base/src/main/java/ghidra/program/util/ProgramDiff.java