import type { ZodSchema } from 'zod';
export type AiCacheKey = {
    promptKind: string;
    inputsDigest: string;
    provider: string;
    model: string;
};
export type AiCacheEntry<T> = {
    promptKind: string;
    inputsDigest: string;
    provider: string;
    model: string;
    createdAt: string;
    content: T;
};
export declare function readAiCache<T>(options: {
    cacheDir: string;
    key: AiCacheKey;
    schema: ZodSchema<T>;
}): Promise<T | null>;
export declare function writeAiCache<T>(options: {
    cacheDir: string;
    key: AiCacheKey;
    content: T;
}): Promise<string | null>;