virtual void addSystemMessage(const std::string& /*message*/) {};

virtual void addErrorMessage(const std::string& /*message*/) {};

virtual void addPresenceMessage(const std::string& /*message*/) {};

// File transfer related stuff

virtual std::string addFileTransfer(const std::string& /*senderName*/, bool /*senderIsSelf*/,const std::string& /*filename*/, const boost::uintmax_t /*sizeInBytes*/) { return 0; };

virtual void setFileTransferProgress(std::string /*id*/, const int /*alreadyTransferedBytes*/) { };

virtual void setFileTransferStatus(std::string /*id*/, const FileTransferState /*state*/, const std::string& /*msg*/) { };

virtual void setContactChatState(ChatState::ChatStateType /*state*/) {};

virtual void setName(const std::string& name) {name_ = name;};

virtual void show() {};

virtual void activate() {};

virtual void setAvailableSecurityLabels(const std::vector<SecurityLabelsCatalog::Item>& labels) {labels_ = labels;};

virtual void setSecurityLabelsEnabled(bool enabled) {labelsEnabled_ = enabled;};

virtual void setUnreadMessageCount(int /*count*/) {};

virtual void convertToMUC() {};

virtual void setSecurityLabelsError() {};