import { BaseTracker } from "./base-tracker";
import type { Config } from "../core/config";
import type { TrackCallback } from "./base-tracker";
export declare class CoreTracker extends BaseTracker {
    private unsubscribers;
    private hasTrackedAppOpen;
    constructor(config: Config, trackCallback: TrackCallback);
    protected setup(): void;
    protected teardown(): void;
    private trackAppOpen;
    private setupVisibilityTracking;
    private setupUnloadTracking;
}
//# sourceMappingURL=core-tracker.d.ts.map