import type { AstrolyticsEvent } from './types';
export declare const isDevMode: boolean;
export declare class ExtendedWebSocket extends WebSocket {
    sendJson(data: any): void;
}
export declare function cleanEvent(event: AstrolyticsEvent): AstrolyticsEvent;
export declare function generateNumId(length: number): number;
export declare function generateStrId(length: number): string;