default AddressRange getRange(AddressFactory factory) {
		Address min = getMinAddress(factory);
		if (min == null) {
			return null;
		}
		return new AddressRangeImpl(min, getMaxAddress(factory));
	}
If the value is an address or range, the id of the address space

@return the space id, or -1 for non-address value
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/target/ValueShape.java