/** Helper function to generate a random 4-character string */
export declare const random4: () => string;
/**
 * Custom function that returns an author page URL.
 */
export declare const getAuthorPageUrl: (author: string) => string;
/** Formats a string containing a full or 3-letter abbreviated month, AM/PM, and am/pm to match the Reuters style.
 *
 * All months, full or abbreviated to 3 letters, are formatted to:
 * - Jan.
 * - Feb.
 * - March
 * - April]
 * - May
 * - June
 * - July
 * - Aug.
 * - Sept.
 * - Oct.
 * - Nov.
 * - Dec.
 *
 * AM and PM are formatted as lowercase.
 *
 */
export declare const prettifyDate: (input: string) => string;
/**
 * Converts a string into a URL-friendly slug.
 *
 * @param str The string to be slugified.
 * @returns The slugified string.
 */
export declare const slugify: (str: string) => string;
/** Formats a datetime string into a localized time string with hour, minute, and time zone for the dateline */
export declare const formatTime: (datetime: string) => string;