/**
 * Insights.ts
 * CleanInsightsSDK
 *
 * Created by Benjamin Erhart on 19.01.21.
 * Copyright © 2021 Guardian Project. All rights reserved.
 */
export { Insights };
import { Configuration } from './Configuration';
import { Store } from './Store';
interface DataPointData {
    period_start: number;
    period_end: number;
    times: number;
}
interface VisitData extends DataPointData {
    action_name: string;
}
interface EventData extends DataPointData {
    category: string;
    action: string;
    name?: string;
    value?: number;
}
declare class Insights {
    /**
     * Matomo site ID.
     */
    idsite: number;
    /**
     * Preferred user languages as an HTTP Accept header.
     */
    lang?: string;
    /**
     * User Agent string.
     */
    ua?: string;
    /**
     * `Visit` data points.
     */
    visits: VisitData[];
    /**
     * `Event` data points.
     */
    events: EventData[];
    /**
     * Create an `Insights` object according to configuration with all data from the store which
     * is due for offloading to the server.
     *
     * @param {Configuration} conf
     *      The current configuration.
     *
     * @param {{consents: Consents, visits: Visit[], events: Event[]}} store
     *      The current measurement and consents store.
     */
    constructor(conf: Configuration, store: Store);
    /**
     * @returns {boolean}
     */
    get isEmpty(): boolean;
    /**
     * Removes all visits and events from the given `Store`, which are also available in here.
     *
     * This should be called, when all `Insights` were offloaded at the server successfully.
     *
     * @param {{consents: Consents, visits: Visit[], events: Event[]}} store
     *      The store where the `Visit`s and `Event`s in here came from.
     */
    clean(store: Store): void;
    /**
     *
     * @param {DataPoint} dp
     * @param {{period_start: number, period_end: number, times: number}} data
     * @return {boolean}
     */
    private static equals;
    /**
     * Create an HTTP-accept-language-header-like string from the information
     * we can get from inside JavaScript.
     *
     * @private
     * @return {string}
     */
    private static acceptLanguages;
    /**
     Removes `DataPoint`s, which are too old. These were never been sent, otherwise, they would have
     been removed, already.

     Remove them now, if they're over the threshold, to not accumulate too many `DataPoints` and
     therefore reduce privacy.
     */
    protected static purge(conf: Configuration, store: Store): void;
}