/**
 * User display name and date formatting utilities
 */
/**
 * Formats a date string to a readable format (e.g., "Feb 21, 2025")
 */
export declare const formatDate: (dateString: string | undefined | null | Date) => string;
/**
 * Gets a display name from user data
 */
export declare const getDisplayName: (user: {
    name?: {
        full?: string;
        first?: string;
        last?: string;
    };
    username?: string;
} | null | undefined) => string;
/**
 * Gets a short display name (first name or username)
 */
export declare const getShortDisplayName: (user: {
    name?: {
        first?: string;
        full?: string;
    };
    username?: string;
} | null | undefined) => string;
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