/**
 * Rounds a number to specified decimal places
 * @param {number} value - Number to round
 * @param {number} precision - Number of decimal places (default: 0)
 * @returns {number} Rounded number
 * @example roundOf(1.234, 2); // 1.23
 * @example roundOf(1.235, 2); // 1.24
 * @example roundOf(-1.234, 2); // -1.23
 */
export declare const roundOf: (value: number, precision?: number) => number;