@Override
	public int getNumAddressRanges() {
		int n = 0;

		for (long key : baseLists.keySet()) {
			SortedRangeList list = baseLists.get(key);
			n += list.getNumRanges();
		}
		return n;
	}
@see ghidra.program.model.address.AddressSetView#getNumAddressRanges()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/map/NormalizedAddressSet.java