export declare class MathUtils {
    /**
     * Calculates the g(RD) function, which dampens the effect of the opponent's RD.
     * @param rd The rating deviation of the opponent.
     * @returns The dampened RD value.
     */
    static g(rd: number, q: number): number;
    /**
     * Rounds a number to a specified number of decimal places.
     * @param num The number to round.
     * @param places The number of decimal places.
     * @returns The rounded number.
     */
    static roundToDecimalPlaces(num: number, places: number): number;
}