import type { INSMOptions } from './types';
import type { INSMSession } from './insm-session';
import { INSM } from './insm';
/**
 * Initializes the INSM (Interactivity Session Measurement) tooling
 */
export declare function init(options: INSMOptions): void;
/**
 * **In**teractivity **s**ession **m**onitoring
 */
export declare const insm: Pick<INSM, 'start' | 'stopEarly' | 'startHeavyTask' | 'endHeavyTask' | 'overrideExperienceKey'> & {
    session: Pick<INSMSession, 'details' | 'startFeature' | 'endFeature' | 'addProperties' | 'setProperty'> | undefined;
};