~ComponentExtensionEngine();
std::string engine_id; // The engine id.
std::string display_name; // The display name.
+ std::string indicator; // The indicator text.
std::vector<std::string> language_codes; // The engine's language(ex. "en").
std::string description; // The engine description.
std::vector<std::string> layouts; // The list of keyboard layout of engine.