/**
 * Utility functions for consistent date formatting across the CLI
 */
/**
 * Safely format a date string to a localized string
 * @param dateString - The date string to format (deployedAt, createdAt, etc.)
 * @param fallback - Fallback text if date is invalid (default: 'Unknown')
 * @returns Formatted date string or fallback
 */
export declare function formatDate(dateString: string | null | undefined, fallback?: string): string;
/**
 * Safely format a date string to a localized date (no time)
 * @param dateString - The date string to format
 * @param fallback - Fallback text if date is invalid (default: 'Unknown')
 * @returns Formatted date string or fallback
 */
export declare function formatDateOnly(dateString: string | null | undefined, fallback?: string): string;
/**
 * Format deployment date with fallback to createdAt
 * @param deployment - Deployment object with deployedAt and/or createdAt
 * @param fallback - Fallback text if no valid date found
 * @returns Formatted date string
 */
export declare function formatDeploymentDate(deployment: {
    deployedAt?: string;
    createdAt?: string;
}, fallback?: string): string;