public DBTraceReference assertIsMine(Reference ref) {
		if (!(ref instanceof DBTraceReference)) {
			throw new IllegalArgumentException("Given reference is not in this trace");
		}
		DBTraceReference dbRef = (DBTraceReference) ref;
		if (dbRef.ent.space.manager != this) {
			throw new IllegalArgumentException("Given reference is not in this trace");
		}
		return dbRef;
	}
Ensures that a "from" address is in memory

<p>
NOTE: To manage references from registers, you must use
{@link #getReferenceRegisterSpace(TraceThread, boolean)}, which requires a thread.

@param space the space of the address to check
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/symbol/DBTraceReferenceManager.java