+ // bool removeRole(const std::string& role);
+ std::vector<unsigned> renderOrder() const;
+ WMError setRenderOrder(const std::vector<std::string>& order);
+ std::string attachTmpServiceSurface(const std::string& from, const std::string& service_surface);
+ WMError attachServiceSurface(const std::string& service_surface, unsigned surface);