/**
 * Gets the initial hour from a time string.
 *
 * @param time - The time string to get the initial hour from.
 * @returns The initial hour.
 */
export declare function getInitialHour(time: string): string;
/**
 * Gets the initial period from a time string.
 *
 * @param time - The time string to get the initial period from.
 * @returns The initial period.
 */
export declare function getInitialPeriod(time: string): "PM" | "AM";
/**
 * Converts a time string to 24-hour format.
 *
 * @param hour - The hour to convert.
 * @param period - The period to convert.
 * @returns The converted time string.
 */
export declare function convertTo24Hour(hour: string, period: string): string | number;
/**
 * Converts a time string to 12-hour format.
 * @param hour - The hour to convert.
 * @returns The object with the converted hour and period.
 */
export declare function convertTo12Hour(hour: string): {
    hour: string;
    period: string;
};
/**
 * Formats a 24-hour time string to 12-hour format.
 *
 * @param time24 - The 24-hour time string to format.
 * @returns The formatted 12-hour time string.
 */
export declare function formatTime24To12(time24: string): string;
/**
 * Generates an array of time options (hours or minutes) as strings,
 * padded with leading zeros if necessary.
 *
 * @param start - Starting number of the range (inclusive).
 * @param end - Ending number of the range (inclusive).
 * @returns Array of time options as strings.
 */
export declare function generateTimeOptions(start: number, end: number): string[];