protected AddressSetView emptyOrFullAddressSetUndefined(AddressRange within) {
		return new AddressSet();
	}
The address set when there is no view or space for the given range's space

<p>
Views composing undefined units should return the whole range. Others should leave this
empty.

@param within the range the client requested
@return the full range or empty
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/listing/AbstractBaseDBTraceCodeUnitsMemoryView.java