export type ISsmRuleMap<StateType, EventType> = MapLike<StateType, MapLike<EventType, StateType>>;
type MapLike<K, V> = Pick<Map<K, V>, 'get' | 'has' | 'keys'>;
export interface IStateChangeEvent<StateType, EventType> {
    from: StateType;
    to: StateType;
    reason: EventType;
}
export declare class SimpleStateMachine<StateType, EventType> {
    protected currentState: StateType;
    protected readonly rules: ISsmRuleMap<StateType, EventType>;
    private readonly _onStateChange;
    readonly onStateChange: import("../autoindex.generated.js").EventRegister<IStateChangeEvent<StateType, EventType>>;
    constructor(rules: ISsmRuleMap<StateType, EventType>, init_state: StateType);
    protected moveTo(state: StateType): void;
    getName(): StateType;
    change(event: EventType): void;
}
export {};
//# sourceMappingURL=simple-state-machine.d.ts.map