public void FSListCollectionIds()
        {
            FirestoreTestUtils.ColoredConsoleWrite(ConsoleColor.Green, "\n:: Listing all Collection Ids from Document or Database... ::\n");
            var listCollectionIdsRequest = new ListCollectionIdsRequest();

            listCollectionIdsRequest.Parent = Parent;

            var listCollectionIdsResponse = FsClient.ListCollectionIds(listCollectionIdsRequest);
            var cids = listCollectionIdsResponse.CollectionIds;
            int i    = 0;

            foreach (var cid in cids)
            {
                i++;
                FirestoreTestUtils.ColoredConsoleWrite(ConsoleColor.White, "\n:: Collection Id " + i + ": " + cid.ToString());
            }
            FirestoreTestUtils.ColoredConsoleWrite(ConsoleColor.Green, "\nFinished listing Collection Ids from Document or Database.");
        }