export interface ServeLogger {
    log(message?: string): void;
    error(message?: string): void;
}
export interface ServeGraphOptions {
    graphPath?: string;
    host?: string;
    port?: number;
    signal?: AbortSignal;
    logger?: ServeLogger;
}
export interface ServeGraphHandle {
    host: string;
    port: number;
    url: string;
    close(): Promise<void>;
}
export declare function startGraphServer(options?: ServeGraphOptions): Promise<ServeGraphHandle>;
export declare function serveGraph(options?: ServeGraphOptions): Promise<void>;