/**
 * Catalog route module — `/api/catalog` and `/api/catalog/tools` endpoints.
 *
 * Returns deep-frozen catalog data with SHA-256 ETag. The frozen objects
 * guarantee immutability (AC-S02-07).
 *
 * @module sidecar/server/routes/catalog
 */
import type { Route } from "../handler.js";
import type { SidecarDependencyRegistry } from "../registry.js";
/**
 * Create catalog GET route entries.
 *
 * @param _registry - Sidecar dependency registry (unused for static catalog).
 * @returns An array of Route entries for catalog endpoints.
 */
export declare function createCatalogRoutes(_registry: SidecarDependencyRegistry): Route[];
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