/**
 * Cache interface for skill scripts.
 */
export interface ICache {
    /**
     * Write a result to cache.
     * @param data - Data to cache
     */
    write(data: Record<string, unknown>): void;
    /**
     * Read the last cached entry as fallback.
     * @returns Last cached entry or null if not available
     */
    readFallback(): Record<string, unknown> | null;
}
/**
 * Configuration for creating a cache instance.
 */
export interface ICacheConfig {
    /** Directory containing the cache file */
    cacheDir: string;
    /** Cache filename (e.g., 'tasks.log', 'memory.log') */
    filename: string;
}
/**
 * Creates a file-based cache instance.
 *
 * @param config - Cache configuration
 * @returns Cache instance
 */
export declare function createCache(config: ICacheConfig): ICache;
/**
 * Creates a cache config for a skill script.
 * Cache files are stored in the skill's cache/ directory.
 *
 * @param scriptDir - __dirname of the script (e.g., tasks/scripts/)
 * @param filename - Cache filename (e.g., 'tasks.log')
 * @returns Cache configuration
 */
export declare function createCacheConfig(scriptDir: string, filename: string): ICacheConfig;
/**
 * No-op cache implementation for when caching is disabled.
 */
export declare const nullCache: ICache;
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