@Override
		T typedRemove(Long u) throws IOException {
			T in = objects.get(u);
			if (in == null) {
				return null;
			}
			table.deleteRecord(u);
			cache.delete(u);
			return in;
		}
The implementation of {@link BoundedStuff} to facilitate the implementation of
{@link Map#keySet()}.

<p>
Because tables let us navigate keys directly, we use the key as the raw component here
instead of the full record.
Ghidra/Debug/ProposedUtils/src/main/java/ghidra/util/database/DBCachedObjectStore.java