public override string GetContinuationToken()
            {
                Dictionary <string, CosmosElement> aliasToContinuationToken = new Dictionary <string, CosmosElement>();

                foreach (KeyValuePair <string, AggregateValue> kvp in this.aliasToValue)
                {
                    aliasToContinuationToken[kvp.Key] = CosmosString.Create(kvp.Value.GetContinuationToken());
                }

                CosmosObject cosmosObject = CosmosObject.Create(aliasToContinuationToken);

                return(cosmosObject.ToString());
            }