Function compositeState

packages/machina/src/behavioral-fsm.ts:714–716

(client: object)

                return child.on("*", callback);
            },
            compositeState(client: object): string {
                return child.compositeState(client);
            },
            rehydrate(client: object, compositeState: string): void {
                child.rehydrate(client, compositeState);
            },