struct DzlPreferencesInterface
extern (C)
uint function(DzlPreferences* self, const(char)* pageName, const(char)* groupName, const(char)* schemaId, const(char)* key, const(char)* path, const(char)* variantString, const(char)* title, const(char)* subtitle, const(char)* keywords, int priority) addSwitch;