export interface DashboardOptions {
    port?: number;
    open?: boolean;
    json?: boolean;
}
/**
 * `comet dashboard` — launch the local read-only dashboard server.
 *
 * Modes:
 *  - default: start the HTTP server, optionally open the browser, keep the
 *    process alive until SIGINT/SIGTERM.
 *  - `--json`: collect a single snapshot, print it to stdout, exit. Useful
 *    for scripting and inspection without running a server.
 */
export declare function dashboardCommand(targetPath: string, options?: DashboardOptions): Promise<void>;
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