@Override
	public AddressSetView getAddressSetView(long snap, AddressRange within) {
		return new IntersectionAddressSetView(new AddressSet(within),
			doGetAddressSetView(snap));
	}
Get an address set view for optimizing various queries

<p>
As its code may suggest, this creates the lazy address set view {@code all - definedUnits},
and wraps it in a cached address set view.

@param snap the snapshot key for the address set
@return the address set
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/listing/DBTraceUndefinedDataView.java