/**
 * VibePing SDK — Pageview and session tracker
 * Auto-detects URL changes via popstate and History API monkey-patching.
 * Manages session IDs via sessionStorage with in-memory fallback.
 */
import type { ResolvedConfig, Transport } from './types';
/**
 * Generate a UUID-like string.
 * Prefers crypto.randomUUID, then crypto.getRandomValues, then a
 * timestamp+Math.random fallback (last resort, not cryptographically secure).
 */
export declare function generateId(): string;
/** Get or create session ID from sessionStorage (with in-memory fallback) */
export declare function getSessionId(): string;
export interface Tracker {
    start(): void;
    stop(): void;
}
/** Create a pageview/session tracker */
export declare function createTracker(config: ResolvedConfig, transport: Transport): Tracker;