import { AvailableCampaignsResponseHandler } from "../types/campaign";
import { TPaywallLaunchContext, PaywallResultHandler } from "../types/paywall";
import { PaywallComponent } from "../components/Paywall";
import { Callback } from "../types/components/containers";
import { NamiPaywallActionHandler } from "../types/externals/paywall";
import { NamiCampaign } from "../types/externals/campaign";
/**
 * @class NamiCampaignManager
 * Provides methods for managing all aspects of a campaign.
 */
export declare class NamiCampaignManager {
    static instance: NamiCampaignManager;
    private emitter;
    /**
     * @returns {NamiCampaign[]} A list of NamiCampaign
     */
    static allCampaigns(): NamiCampaign[];
    /**
     * Checks if a campaign is available for a given argument.
     * The argument can be a label string, or a deeplink URL.
     *
     * @param label - The argument to check. Can be a label string, or a deeplink URL.
     * @returns {boolean} True if the campaign is available, False otherwise.
     */
    static isCampaignAvailable(label: string): boolean;
    /**
     * Fetches the latest active campaigns for the current device.
     *
     * @returns {Promise<NamiCampaign[]>} A promise that resolves to a list of active campaigns.
     */
    static refresh(): Promise<NamiCampaign[]>;
    /**
     * Registers a handler that will be called whenever there is an update
     * in the list of active campaigns. The Nami SDK will trigger this callback
     * with the updated list of active campaigns.
     *
     * The handler will receive an array of `NamiCampaign` objects representing
     * the current active campaigns.
     *
     * @param {AvailableCampaignsResponseHandler} handler - The callback function that will be invoked when the campaign list is updated.
     * @returns {Callback} A function that can be called to unregister the handler.
     */
    static registerAvailableCampaignsHandler(handler: AvailableCampaignsResponseHandler): Callback;
    /**
     * Launches a campaign with a given label.
     * @param label - The label of the campaign to launch.
     * @param withUrl - The deeplink URL of the campaign to launch.
     * @param actionCallback - Optional handler for paywall actions.
     * @returns {PaywallComponent | void} The launched paywall web component.
     */
    static launch(label?: string, withUrl?: string, context?: TPaywallLaunchContext, resultCallback?: PaywallResultHandler, actionCallback?: NamiPaywallActionHandler): PaywallComponent | void;
    /**
      * Provide the list of product groups supported by the provided placement label or URL.
      * @param label Campaign placement label defined in Nami Control Center for launching a specific campaign.
      * @param uri Campaign placement URI defined in Nami Control Center for launching a specific campaign.
      * @return List of product groups associated with the specified campaign placement.
      */
    static getProductGroups(label?: string, withUrl?: string): string[];
    /**
     * Private Instance Methods
     */
    private get sdkInitialized();
    private campaignTypeAndLabel;
}