/**
 * VibePing SDK — Transport layer
 * Batches events in memory and flushes to the API endpoint.
 * Uses navigator.sendBeacon on page unload, fetch otherwise.
 * Retries with exponential backoff on network / 5xx failures.
 */
import type { ResolvedConfig, Transport } from './types';
/** Create a transport that batches and sends events to the API */
export declare function createTransport(config: ResolvedConfig): Transport;