private Address min(Address a1, Address a2) {
		return a1.compareTo(a2) < 0 ? a1 : a2;
	}
@see ghidra.program.database.map.AddressMap#getKeyRanges(AddressSetView, boolean)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/address/AddressMapImpl.java