import { ServerResponse } from 'node:http';
export declare const SERVER_API_VERSION = 1;
export declare const VIEWER_DIST: string;
export interface StaticServerOptions {
    port?: number;
}
export interface StaticServer {
    port: number;
    url: string;
    close(): Promise<void>;
}
export interface ServerDescriptor {
    app: 'brepjs-viewer';
    port: number;
    dynamicRoot: true;
    serverApiVersion: number;
}
export declare function sendFile(res: ServerResponse, absPath: string): Promise<void>;
export declare function safeJoin(root: string, rel: string): string | null;
export declare function startStaticServer(opts?: StaticServerOptions): Promise<StaticServer>;