*[<Null safety>](https://dart.dev/null-safety)*
void addServiceForName <T>(void connector(InterfaceRequest<T>), String serviceName)
void addServiceForName<T>( void Function(InterfaceRequest<T>) connector, String serviceName) { _connectorThunks[serviceName] = (Channel? channel) { connector(InterfaceRequest<T>(channel)); }; }