void operationModeSettingChanged(const QVariant &newValue);
void buffersSettingChanged(const QVariant &newValue);
void showBacklogSettingChanged(const QVariant &newValue);
void operationModeSettingChanged(const QVariant &newValue);
void buffersSettingChanged(const QVariant &newValue);
void showBacklogSettingChanged(const QVariant &newValue);