type UploadLogFunction = (action: string, type: 'duration' | 'endAction' | 'startAction' | 'track', data?: {
    duration: number;
    start: number | null;
    end: number | null;
    startOptions: any;
    endOptions: any;
}) => void;
interface TrackerOptions {
    uploadLog: UploadLogFunction;
    enabled?: boolean;
}
declare class UserInteractionTracker {
    private actions;
    private uploadLog;
    private enabled;
    constructor(options: TrackerOptions);
    track(action: string, options?: any): void;
    startAction(action: string, options?: any): void;
    endAction(action: string, options?: any): void;
    getPendingActions(action?: string): any;
    clearActions(actions?: Array<string>): void;
    private calculateAndUploadIfNeeded;
    private uploadStartAction;
    private uploadEndAction;
    private safeUploadLog;
}
export default UserInteractionTracker;
export type { UploadLogFunction };