/**
 * Doctor Command — Self-diagnostic health check for the Memoire engine.
 * Validates project setup, design system, specs, tokens, Figma bridge,
 * preview files, Node version, dependencies, and workspace integrity.
 */
import type { Command } from "commander";
import type { MemoireEngine } from "../engine/core.js";
/**
 * Register the `memi doctor` command onto the Commander program.
 *
 * Runs a suite of self-diagnostic checks covering project detection,
 * design system health, plugin bundle integrity, Figma bridge status,
 * Node.js version, .env.local presence, REST credentials, and workspace
 * writability. Prints a grouped summary with pass/warn/fail icons.
 *
 * @param program  The root Commander Command instance.
 * @param engine   The initialised MemoireEngine.
 */
export declare function registerDoctorCommand(program: Command, engine: MemoireEngine): void;