export declare function amountToCents(amount: string): string;
export declare function centsToAmount(cents: string): string | undefined;
export declare function floatToAmount(f: number): string;
export declare function integralPart(amount: string): string;
export declare function format(currency: 'CHF' | 'CNY' | 'EUR' | 'GBP' | 'JPY' | 'LTL' | 'PLN' | 'SEK' | 'SKK' | 'UAH' | 'USD' | string, amount: string): string;
export declare function add(a: string, b: string): string | undefined;
export declare function subtract(a: string, b: string): string | undefined;
export declare function mul(a: string, b: string): string | undefined;
export declare function div(a: string, b: string): string | undefined;
export declare function percent(value: string, percnt: string): string | undefined;
export declare function roundUpTo5Cents(amount: string): string | undefined;
export declare function roundTo5Cents(amount: string): string | undefined;
export declare function cmp(a: string, b: string): number;
export declare function isEqual(a: string, b: string): boolean;
export declare function isZero(a: string): boolean;
export declare function isNegative(a: string): boolean;
export declare function isPositive(a: string): boolean;