/**
 * List Command — Lists specs, tokens, design system components, or styles.
 *
 * Items are sorted by type then name for readability. A summary line at
 * the bottom reports counts by type (e.g. "3 components, 1 page, 0 dataviz specs").
 *
 * Usage:
 *   memi list              List all specs (default)
 *   memi list tokens       List design tokens sorted by type
 *   memi list components   List design system components
 *   memi list styles       List design system styles
 *   memi list --json       Emit { ok, elapsed, data } JSON payload
 */
import type { Command } from "commander";
import type { MemoireEngine } from "../engine/core.js";
export interface ListPayload {
    type: string;
    items: Array<{
        name: string;
        type?: string;
        [key: string]: unknown;
    }>;
    count: number;
}
/**
 * Register the `memi list [type]` command onto the Commander program.
 *
 * Supports listing specs (default), tokens, components, and styles.
 * Results are sorted by type then name. Specs output includes a summary
 * count by type at the bottom.
 *
 * @param program  The root Commander Command instance.
 * @param engine   The initialised MemoireEngine.
 */
export declare function registerListCommand(program: Command, engine: MemoireEngine): void;