import { HoistService, TrackOptions } from '@xh/hoist/core';
/**
 * Primary service for tracking any activity that an application's admins want to track.
 * Activities are available for viewing/querying in the Admin Console's Client Activity tab.
 * Client metadata is set automatically by the server's parsing of request headers.
 */
export declare class TrackService extends HoistService {
    telemetryPrefix: string;
    static instance: TrackService;
    private oncePerSessionSent;
    private pending;
    initAsync(): Promise<void>;
    get conf(): ActivityTrackingConfig;
    get enabled(): boolean;
    /** Track User Activity. */
    track(options: TrackOptions | string): void;
    /**
     * Flush the queue of pending activity tracking messages to the server.
     *
     * Not typically called by applications.  Called automatically by the framework via a
     * debounce and when the page is hidden/terminated.
     */
    pushPendingAsync(): Promise<void>;
    private pushPendingBuffered;
    private toServerJson;
    private logMessage;
}
interface ActivityTrackingConfig {
    clientHealthReport?: Partial<TrackOptions> & {
        intervalMins: number;
    };
    enabled: boolean;
    logData: boolean;
    maxDataLength: number;
    maxRows?: {
        default: number;
        options: number[];
    };
    levels?: Array<{
        username: string | '*';
        category: string | '*';
        severity: 'DEBUG' | 'INFO' | 'WARN' | 'ERROR';
    }>;
}
export {};