/**
 * Rounds a number to a specified precision in a given direction.
 *
 * @param num - The number to round.
 * @param precision - The number of decimal places to round to.
 * @param direction - The direction to round:
 *   - 'up': Round up (ceiling)
 *   - 'down': Round down (floor)
 *   - 'nearest': Round to the nearest value (default)
 * @returns The rounded number.
 *
 * @example
 * roundNum(3.14159, 2, 'up') // Returns 3.15
 * roundNum(3.14159, 2, 'down') // Returns 3.14
 * roundNum(3.14159, 2, 'nearest') // Returns 3.14
 */
export declare const roundNum: (num: number, precision: number, direction?: "up" | "down" | "nearest") => number;