import type { DiagnosticResult } from "./types.js";
/**
 * Reports which router directory the project uses.
 *
 * Route discovery accepts either router (`app/` or `pages/`, honoring
 * `directories` overrides), so the check passes when either one is present and
 * warns only when the project has no routes at all.
 */
export declare function checkProjectStructure(projectDir: string): Promise<DiagnosticResult[]>;
export declare function checkConfiguration(projectDir: string): Promise<DiagnosticResult>;
export declare function checkCacheSystem(): Promise<DiagnosticResult>;
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