import type { ConnectOptions, GovalMetadata } from '../types';
export declare function defaultGetNextRetryDelay(retryNumber: number): number;
export declare function getWebSocketClass(WebSocketClass: ConnectOptions<unknown>['WebSocketClass']): typeof WebSocket;
export declare function getConnectionStr(connectionMetadata: GovalMetadata, pollingHost?: string): string;
export declare function getRedirectURL(wsURL: string, redirectURL: string): string;