import type { CliMiddlewareFactory, DiscoveryGetter } from './types.ts';
/**
 * Middleware that checks if a URL path has duplicates in the discovery result.
 * If the path is found in the duplicates map, returns a 500 error.
 *
 * This is important because documents with duplicate paths (e.g., templates/slots
 * reused across multiple documents) cannot be served as standalone pages.
 *
 * @param getDiscovery - Getter function for the current discovery result
 * @returns Middleware handler
 *
 * @example
 * ```ts
 * let discovery = await discoverDocuments()
 * app.get('/*', checkDuplicatePath(() => discovery), ...)
 * ```
 */
export declare const checkDuplicatePath: CliMiddlewareFactory<[getDiscovery: DiscoveryGetter]>;
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