import { FormatType } from "./types";
/**
 * @function formatHours
 * @description
 * Formats a decimal number representing hours into a formatted string (HH:MM) or a short form if needed.
 * The input can be a number, string, or undefined. It handles various formats and can optionally add a
 * leading zero to the hours component. With the new "format" argument, if set to "short" and the value is
 * greater than or equal to 1000, it will return a shortened format (e.g., 1K) similar to formatNumber.
 *
 * @param {number | string | undefined} num - The input representing the hours.
 * @param {boolean} [withLeadingZeroHours=false] - Whether to add a leading zero to the hours part.
 * @param {boolean} [trimZeroMinutes=false] - Whether to remove minutes if they are zero.
 * @param {"long" | "short"} [format="long"] - The format type, either "long" for full numbers or "short" for abbreviated output.
 *
 * @returns {string} - A formatted time string or a shortened string.
 *
 * @example
 * formatHours(1.5) // "1:30"
 * formatHours("3.5", true) // "03:30"
 * formatHours(1500, false, false, "short") // "1K" (using formatNumber)
 */
export declare const formatHours: (num: number | string | undefined, withLeadingZeroHours?: boolean, trimZeroMinutes?: boolean, format?: FormatType) => string;
export declare const withLeadingZero: (num: string | number, size?: number) => string;
export declare const isDecimal: (num: number) => boolean;
export declare const isValidTime: (time: string | undefined) => boolean;
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