/**
 * Formats the given ISO date string into a human-readable date.
 *
 * @param {string} publishedAt - The ISO date string to format (e.g., '2025-02-14T10:00:00Z').
 * @returns {string} The formatted date in "MMM dd, yyyy" format (e.g., "Feb 14, 2025").
 *
 * @example
 * const formattedDate = dateFormat('2025-02-14T10:00:00Z');
 * console.log(formattedDate); // "Feb 14, 2025"
 */
export declare const dateFormat: (publishedAt: string) => string;