Parameters
- startingIndex
- The index where the returned items will be inserted.
- pageToken
- The token of the requesting page, pass null if no pages had been requested so far.
- count
- The desired number of items to be returned.
- sortDescriptions
- The sort descriptions.
- filterExpression
- The filter expression.
- cancellationToken
- Cancellation token.
Return Value
A tuple containing the items and a token to the next page.