/**
 * Note: function assumes that the decimal separator for
 * `value` & `oldValue` is `.`
 *
 * The function assumes a value that passes VALID_REGEX
 * It may work for some strings, and return a valid number
 * (e.g. value: 'a', decimalPlaces: 2, returned value: '0.00')
 * as a side-effect of using `toFixedPrecisionString`,
 * but this is undefined behavior.
 */
export declare const formatCurrencyUserInput: ({ decimalPlaces, value, }: {
    decimalPlaces: number;
    value: string;
}) => string;