import { ConvoHashCacheBase } from "./ConvoHashCacheBase";
import { ConvoLocalStorageCacheOptions } from "./ConvoLocalStorageCache";
import { ConvoVfsCacheOptions } from "./ConvoVfsCache";
import { ConvoCompletionMessage } from "./convo-types";
export interface ConvoUserVfsCacheOptions {
    vfsOptions?: ConvoVfsCacheOptions;
    localStorageOptions?: ConvoLocalStorageCacheOptions;
}
/**
 * Uses a combination of local storage and the virtual file system to cache. Read attempts will
 * first try the vfs then fallback to local storage. Writing to the vfs will only occur if a user
 * is signed in. This cache type is good for applications that want user to be able to always read
 * from the vfs cache but don't want unauthorized user to write to the cache.
 */
export declare class ConvoUserVfsCache extends ConvoHashCacheBase {
    private localStorageCache;
    private vfsCache;
    constructor(options?: ConvoUserVfsCacheOptions);
    getMessagesByKey(key: string): Promise<ConvoCompletionMessage[] | null | undefined>;
    cacheMessagesByKey(key: string, messages: ConvoCompletionMessage[]): Promise<void>;
}