import { EngineConfig, EngineCheckoutState, EngineDetectState, EngineFinalCost, EngineProgress, EngineEvents, EngineProductState } from '../interfaces';
import { Unsubscribe } from 'nanoevents';
export declare class Engine {
    private static instance;
    private emitter;
    private _checkoutState;
    private _productState;
    get productState(): EngineProductState;
    get checkoutState(): EngineCheckoutState;
    private set checkoutState(value);
    private set productState(value);
    private _finalCost;
    get finalCost(): EngineFinalCost;
    private set finalCost(value);
    private _progress;
    get progress(): EngineProgress;
    private set progress(value);
    private context;
    private _config;
    private _observers;
    private clearObservers;
    private addObserver;
    get config(): EngineConfig;
    private set config(value);
    private _promocodes;
    get promocodes(): Array<string>;
    private set promocodes(value);
    private _currentCode;
    get currentCode(): string;
    private set currentCode(value);
    private _detectState;
    get detectState(): EngineDetectState;
    private set detectState(value);
    private _bestCode;
    get bestCode(): string;
    private set bestCode(value);
    private _checkout;
    private _product;
    get checkout(): boolean | null;
    get product(): boolean | null;
    private set checkout(value);
    private set product(value);
    private state;
    subscribe({ checkoutState, finalCost, progress, config, promocodes, detectState, bestCode, currentCode, checkout, product, productState, }: EngineEvents): {
        [key: string]: Unsubscribe;
    };
    unsubscribe(unbinders: {
        [key: string]: Unsubscribe;
    }): void;
    static getInstance(): Engine;
    private constructor();
    private commandIf;
    private iterationCodes;
    private commandWhile;
    private Anchor;
    private commandWait;
    private commandInsert;
    private commandApply;
    private commandInteract;
    private commandExtract;
    private commandStore;
    private execCommands;
    private findBestCode;
    private sendErrorLog;
    checkSelectors(): Promise<void>;
    inspect(): Promise<void>;
    resetProductState(): Promise<void>;
    productInspect(): Promise<void>;
    detect(): Promise<void>;
    apply(): Promise<void>;
    applyBest(): Promise<void>;
    notifyAboutShowModal(): void;
    notifyAboutCloseModal(): void;
    notifyAboutShow3dPartyModal(): void;
    notifyAboutClose3dPartyModal(): void;
    notifyAboutReactivate3dParty(): void;
    abort(): void;
    fullCycle(): Promise<void>;
}
declare const _default: Engine;
export default _default;