A class representing query to retrieve the list of polls.
The type of the channel that this poll belongs to.
The url of the channel that this poll belongs to.
Whether there is a next page.
Whether the current query is in communication progress with server.
The maximum number of polls per queried page.
List all polls that belong to a channel specified by channelUrl. The response will be paginated and if there are more values available, hasNext will be true.