export declare function roundToDecimalPlaces(num: number, decimalPlaces?: number): number;
export declare function roundToNearestInteger(num: number): number;
export declare function currencyFormatter(value: number | string | null | undefined, currency?: string, config?: {
    showSymbol?: boolean;
    minimumFractionDigits?: number;
    maximumFractionDigits?: number;
}): string;