@Override
	protected DR createDataEntry(DBCachedObjectStore<DR> store, DBRecord record) {
		return dataFactory.create(this, store, record);
	}
Find entries which exist at the from snap, but do not exist at the to snap

<p>
Note that entries created and then destroyed within the given span are not selected.

@param from the first snap to "compare"
@param to the second snap to "compare"
@param space the address space
@return a query which can compare the two snaps, searching for entries removed
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/map/DBTraceAddressSnapRangePropertyMapTree.java