export declare function onlySpaces(str: string): boolean;
export declare function convertToAsciiString(str: string): string;
export declare function formatPrice(price: string, separator: string): string;
export declare const roundingCurrency: ({ minimumUnit, roundType, amount, separator, }: {
    minimumUnit: number;
    roundType: number;
    amount: string;
    separator: string;
}) => string | number;
export declare const handleCheckClassElement: (className: string) => string | undefined;
export declare const hiddenScroll: (isHidden?: boolean | undefined) => void;
export declare const keyBlock: string[];
export declare const controlKey: string[];
