export declare function readJSON<T>(filePath: string): Promise<T | null>;
export declare function writeJSON(filePath: string, data: unknown): Promise<void>;
export declare function fileExists(filePath: string): Promise<boolean>;
export declare function glob(pattern: string, cwd: string): Promise<string[]>;
export declare function readFile(filePath: string): Promise<string>;
export declare function ensureDir(dirPath: string): Promise<void>;