@Override
	@SuppressWarnings("unchecked")
	public <U> U[] toArray(U[] a) {
		if (a.length < keys.size()) {
			a = (U[]) Array.newInstance(a.getClass().getComponentType(), keys.size());
		}
		int i = 0;
		try (LockHold hold = LockHold.lock(lock.readLock())) {
			for (long k : keys) {
				a[i++] = (U) store.objects.get(k);
			}
			while (i < a.length) {
				a[i++] = null;
			}
		}
		catch (IOException e) {
			errHandler.dbError(e);
		}
		return a;
	}
This provides the implementation of {@link DBCachedObjectIndex#get(Object)}

@param <T> the type of objects in the store
Ghidra/Debug/ProposedUtils/src/main/java/ghidra/util/database/DBCachedObjectStoreFoundKeysValueCollection.java