/**
 * Utility function to encode form data for application/x-www-form-urlencoded
 */
export declare function encodeFormData(data: Record<string, any>): string;
/**
 * Fetch POST utility for making API requests
 */
export declare function fetchPost<T = any>(url: string, data: Record<string, any>, responseType?: 'json' | 'text', headers?: Record<string, string>): Promise<T>;