import { CheckoutProps, Client, Event, InitSignalPayload, PurchaseProps, Session, SignalInstance, TrackEvent } from '../types/signal.types';
import { PhyHubClient } from '../index';
export declare class SignalsService {
    private instance;
    private maxSessionLastActivityMins;
    private isOnline;
    private requiredInitParams;
    private readonly hubClient;
    constructor(hubClient: PhyHubClient, initParams: InitSignalPayload);
    private validateObjectKeys;
    private updateLastActivity;
    private sendOrCacheData;
    private trackEvent;
    private startSessionTracker;
    private subscribeToOnlineState;
    private sendAppStart;
    private sendData;
    private send;
    getInstanceProps: () => SignalInstance;
    createSession: (instanceParams?: Partial<SignalInstance>) => Promise<any>;
    initialize(signalParams: InitSignalPayload): Promise<any[]>;
    initializeEdgeApp: (signalParams?: InitSignalPayload | {}) => void;
    sendAppOnline: (message?: string) => Promise<any>;
    sendAppOffline: (message?: string) => Promise<any>;
    sendEvent: (event: Event, expectResponse?: boolean) => Promise<void>;
    private sendTransactionEvent;
    sendPurchase: (purchaseData: PurchaseProps) => Promise<any>;
    sendCheckout: (checkoutData: CheckoutProps) => Promise<any>;
    sendSession: (session: Session, expectResponse?: boolean) => Promise<void>;
    sendClient: (client: Client, expectResponse?: boolean) => Promise<void>;
    sendProcessOrderStart: () => Promise<any>;
    sendProcessOrderEnd: () => Promise<any>;
    sendProcessOrderSuccess: () => Promise<any>;
    sendProcessOrderFailed: () => Promise<any>;
    sendOrderItem: ({ orderId, itemId, itemType, }: {
        orderId: string;
        itemId: string;
        itemType: string;
    }) => Promise<any>;
    sendProcessOrderItemDelivered: ({ orderId, itemId, }: {
        orderId: string;
        itemId: string;
    }) => Promise<any>;
    sendProcessOrderItemFailed: ({ orderId, itemId, }: {
        orderId: string;
        itemId: string;
    }) => Promise<any>;
    sendAuthenticationSuccess: () => Promise<any>;
    sendAuthenticationFailed: () => Promise<any>;
    sendScanBarcode: ({ barcode }: {
        barcode: string;
    }) => Promise<any>;
    sendMediaFinished: ({ id, type, name, duration, tags, }: {
        id: string;
        type: string;
        name: string;
        duration: number;
        tags?: string[];
    }) => Promise<any>;
    sendCustomEvent: (event: TrackEvent) => Promise<any>;
    sendCategoryView: ({ categoryId }: {
        categoryId: string;
    }) => Promise<any>;
    sendProductView: ({ productId }: {
        productId: string;
    }) => Promise<any>;
    sendCartAdd: ({ productId, quantity }: {
        productId: string;
        quantity: number;
    }) => Promise<any>;
    sendCartView: () => Promise<any>;
    sendCartRemove: ({ productId, quantity }: {
        productId: string;
        quantity: number;
    }) => Promise<any>;
    sendCartClear: () => Promise<any>;
    sendSearch: ({ searchQueryString }: {
        searchQueryString: string;
    }) => Promise<any>;
    sendSearchClear: () => Promise<any>;
    sendRating: ({ rating, interactionDelay, comment, }: {
        rating: 1 | 2 | 3 | 4 | 5;
        interactionDelay?: number;
        comment?: string;
    }) => Promise<any>;
    sendFeedback: ({ feedback, rating, }: {
        feedback: string;
        rating?: 1 | 2 | 3 | 4 | 5;
    }) => Promise<any>;
    sendQrScan: () => Promise<any>;
    setState: ({ key, value, expiryDuration, }: {
        key: string;
        value: string | number;
        expiryDuration: number;
    }) => Promise<any>;
}
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