/**
 * Filesystem read/write helpers.
 */
/**
 * Write content to a file
 * @param filePath - Path to write the file to
 * @param data - Content to write
 */
export declare function writeFile(filePath: string, data: string): Promise<void>;
/**
 * Read content from a file
 * @param filePath - Path of the file to read
 * @returns Content of the file with BOM removed if present
 */
export declare function readFile(filePath: string): Promise<string>;