/**
 * Converts a Unix timestamp (seconds since epoch) to a formatted object
 * @param timestamp - Unix timestamp in seconds (or milliseconds if isMilliseconds is true)
 * @param isMilliseconds - Set to true if timestamp is in milliseconds (default: false)
 * @returns Object with formatted date and clock strings
 */
export declare function formatTimestamp(timestamp: number, isMilliseconds?: boolean): {
    date: string;
    clock: string;
};
export declare const formatDate: (dateString: string | number) => {
    date: string;
    time: string;
};
/**
 * Returns relative time (e.g., "2 hours ago", "3 days ago")
 * @param timestamp - Unix timestamp in seconds
 * @returns Human-readable relative time string
 */
export declare function formatRelativeTime(timestamp: number): string;
export declare function getInitials(str?: string): string;