public async Task AddOrUpdateAsync <TKey, TValue>(TKey key, TValue value)
        {
            await CreateTableIfNotExistsAsync().ConfigureAwait(false);

            var entity = DictionaryTableEntity.Create(DictionaryName, key, value, _settings.Serializer, _settings.KeySerializer);
            await Table.ExecuteAsync(TableOperation.InsertOrReplace(entity)).ConfigureAwait(false);
        }
        public async Task AddAsync <TKey, TValue>(TKey key, TValue value)
        {
            await CreateTableIfNotExistsAsync().ConfigureAwait(false);

            try
            {
                var entity = DictionaryTableEntity.Create(DictionaryName, key, value, _settings.Serializer, _settings.KeySerializer);
                var result = await Table.ExecuteAsync(TableOperation.Insert(entity)).ConfigureAwait(false);
            }
            catch (StorageException ex)
            {
                if (ex.RequestInformation.ExtendedErrorInformation.ErrorCode == TableErrorCodeStrings.EntityAlreadyExists)
                {
                    throw new ArgumentException("An item with the same key has already been added.", ex);
                }
                throw;
            }
        }
        public async Task <bool> RemoveAsync <TKey>(TKey key)
        {
            await CreateTableIfNotExistsAsync().ConfigureAwait(false);

            try
            {
                var serializedKey = _settings.KeySerializer.SerializeAsKey(_settings.Serializer, key);

                var tempEntity = DictionaryTableEntity.Create(DictionaryName, key, 0, _settings.Serializer, _settings.KeySerializer);
                tempEntity.ETag = "*";

                await Table.ExecuteAsync(TableOperation.Delete(tempEntity)).ConfigureAwait(false);
            }
            catch (StorageException ex)
            {
                if (ex.RequestInformation.HttpStatusCode == 404)
                {
                    return(false);
                }
                throw;
            }

            return(true);
        }