// SetUserConversations sets multiple conversation properties for a user, creates new conversations if they do not exist, or updates them otherwise. This operation is atomic.
// SetUsersConversationFieldTx updates a specific field for multiple users' conversations, creating new conversations if they do not exist, or updates them otherwise. This operation is transactional.
// SetUsersConversationFieldTx updates a specific field for multiple users' conversations, creating new conversations if they do not exist, or updates them otherwise. This operation is
// DeleteConversationMsgsAndSetMinSeq deletes conversation messages and resets the minimum sequence number. If `remainTime` is 0, all messages are deleted (this method does not delete Redis cache).
// DeleteConversationMsgsAndSetMinSeq deletes conversation messages and resets the minimum sequence number. If `remainTime` is 0, all messages are deleted (this method does not delete Redis