@Override
		T checkAndConvert(Object o) {
			if (!objectType.isInstance(o)) {
				return null;
			}
			return objectType.cast(o);
		}
The implementation of {@link BoundedStuff} to facilitate the implementation of
{@link Map#values()}.
Ghidra/Debug/ProposedUtils/src/main/java/ghidra/util/database/DBCachedObjectStore.java