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public final Unit getChannelsUnreadInfo(Array<String> channelIds, OperationHandler<List<CommunityUnreadInfo>> handler)
Gets unread info for the specified community channels.
Batch retrieves unread message count, mentioned message count, and do-not-disturb status for multiple community channels.
Parameters
channel
Array of community channel IDs
handler
Callback returning the list of channel unread info on success