import type { SDKConfig } from '../types/sdk';
import type { WebSocketTransport } from '../types/transport';
/**
 * Exponential backoff for reconnect. Cap is applied to the base exponent only,
 * with jitter added on top, so simultaneously-reconnecting clients still spread
 * out at the upper bound (otherwise they'd all land on the same 30s tick).
 */
export declare const computeReconnectDelay: (retryDelay: number, attempt: number, randomFn?: () => number) => number;
export declare const createWebSocketTransport: (config: SDKConfig) => WebSocketTransport;
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