@Override
			protected DBTraceReference construct(DBTraceReferenceEntry ent) {
				return new DBTraceOffsetReference(ent, false);
			}
TODO: It seems ill-conceived to make a separate type for stack references. Shift and
offset references could also be to the stack, no? Let the client examine the
destination address, or make {@link Reference#isStackReference()} do it.
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/symbol/DBTraceReferenceSpace.java