import type { EmbedKeyv } from './types.js';
/** Compute cache key: sha256hex(text):model */
export declare function embed_cache_key(text: string, model: string): string;
/** Configure the embed cache. Call this once during initialization. */
export declare function configure_embed_cache(opts: {
    max_size?: number;
    keyv?: EmbedKeyv;
}): void;
/** Look up a cached vector. Returns undefined on cache miss. */
export declare function embed_cache_get(text: string, model: string): Promise<number[] | undefined>;
/** Store a vector in the cache. Evicts oldest entry if at max_size (in-memory only). */
export declare function embed_cache_set(text: string, model: string, vector: number[]): Promise<void>;
/** Test helper — resets all state to defaults */
export declare function reset_embed_cache_for_test(): void;
//# sourceMappingURL=embed_cache.d.ts.map