/**
 * Calculate SIP (Systematic Investment Plan) maturity amount.
 *
 * Calculates the future value of a series of monthly investments at a given
 * annual return rate.
 *
 * @param monthlyInvestment Amount invested every month
 * @param annualRate Expected annual return rate (in %)
 * @param years Investment duration in years
 * @returns Final maturity value (rounded to nearest integer)
 *
 * @example
 * // Invest 5000/month at 12% annual return for 10 years
 * calculateSIP(5000, 12, 10);
 * // => 1161695
 */
export declare function calculateSIP(monthlyInvestment: number, annualRate: number, years: number): number;
/**
 * Calculate inflation-adjusted SIP maturity amount.
 *
 * Calculates the real (inflation-adjusted) future value of a series of
 * monthly investments, accounting for inflation.
 *
 * @param monthlyInvestment Amount invested every month
 * @param annualRate Expected annual return rate (in %)
 * @param inflationRate Expected annual inflation rate (in %)
 * @param years Investment duration in years
 * @returns Inflation-adjusted maturity value (rounded to nearest integer)
 *
 * @example
 * // Invest 5000/month at 12% with 3% inflation for 10 years
 * calculateSIPWithInflation(5000, 12, 3, 10);
 * // => 864410
 */
export declare function calculateSIPWithInflation(monthlyInvestment: number, annualRate: number, inflationRate: number, years: number): number;