import type { Authenticator, ConnectionOptions, ServerInfo } from "./core";
export declare const DEFAULT_MAX_RECONNECT_ATTEMPTS = 10;
export declare const DEFAULT_JITTER = 100;
export declare const DEFAULT_JITTER_TLS = 1000;
export declare const DEFAULT_PING_INTERVAL: number;
export declare const DEFAULT_MAX_PING_OUT = 2;
export declare const DEFAULT_RECONNECT_TIME_WAIT: number;
export declare function defaultOptions(): ConnectionOptions;
export declare function hasWsProtocol(opts?: ConnectionOptions): boolean;
export declare function buildAuthenticator(opts: ConnectionOptions): Authenticator;
export declare function parseOptions(opts?: ConnectionOptions): ConnectionOptions;
export declare function checkOptions(info: ServerInfo, options: ConnectionOptions): void;
export declare function checkUnsupportedOption(prop: string, v?: unknown): void;