import type { ModelsCatalogJson } from "../types.js";
export interface CatalogMemoryCache {
    catalog: ModelsCatalogJson;
    loadedAt: number;
    expiresAt: number;
    source: "remote" | "bundled";
}
export declare function getCatalogMemoryCache(): CatalogMemoryCache | null;
export declare function setCatalogMemoryCache(cache: CatalogMemoryCache): void;
export declare function clearCatalogMemoryCache(): void;
export declare function isCatalogCacheValid(cache: CatalogMemoryCache | null): boolean;
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