/**
 * Plugin Currency Checker — reports outdated Claude Code plugins.
 *
 * Reads ~/.claude/plugins/installed_plugins.json and, for every install,
 * looks up the upstream version from the matching marketplace.json (via
 * ~/.claude/plugins/known_marketplaces.json). A drift between the
 * installed version and the marketplace version surfaces as a `warn`
 * with a fix suggestion to run `specweave refresh-plugins`.
 *
 * Increment 0794 — US-004 / T-016.
 * ADR: 0794-04-doctor-as-update-visibility-surface.md
 */
import type { HealthChecker, CategoryResult, DoctorOptions } from '../types.js';
interface PluginCurrencyOptions {
    homeDir?: string;
    cwd?: string;
}
export declare class PluginCurrencyChecker implements HealthChecker {
    category: string;
    private homeDir;
    private cwd;
    constructor(opts?: PluginCurrencyOptions);
    check(_projectRoot: string, _options: DoctorOptions): Promise<CategoryResult>;
}
export {};
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