/**
 * Unified time formatting utilities for consistent time display across the CLI
 */
/**
 * Format date/time in local timezone with timezone information
 * Format: YYYY-MM-DD HH:mm:ss TZ
 * Example: 2025-05-31 18:43:09 CST
 */
export declare function formatDateTime(dateInput: string | Date): string;
/**
 * Format date/time in relative format (e.g., "2 hours ago", "3 days ago")
 * Falls back to absolute format for dates older than 7 days
 */
export declare function formatRelativeDateTime(dateInput: string | Date): string;
/**
 * Format date only (without time)
 * Format: YYYY-MM-DD
 */
export declare function formatDate(dateInput: string | Date): string;
/**
 * Format time only (without date)
 * Format: HH:mm:ss TZ
 */
export declare function formatTime(dateInput: string | Date): string;
/**
 * Format duration in human-readable format
 * Example: "2h 30m", "45s", "1d 3h"
 */
export declare function formatDuration(milliseconds: number): string;
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