interface IMonthNameMap {
    /**
     *
     */
    [key: string]: number;
}
declare const monthNameMap: IMonthNameMap;
/**
 * Get the UTC month number (0-11) from a month name
 * @param monthName - The name of the month (case-insensitive)
 * @returns The UTC month number (0-11), or -1 if the month name is invalid
 */
declare const getMonthNumber: (monthName: string) => number;

export { type IMonthNameMap, getMonthNumber, monthNameMap };