export declare const validateNumber: (amount: number | string) => number;
export declare const toAmount: (amount: number | string, decimals?: number) => bigint;
/**
 * Converts a fraction to its equivalent decimal value as a number.
 *
 * @param {bigint} numerator - The numerator of the fraction
 * @param {bigint} denominator - The denominator of the fraction
 * @return {number} - The decimal value equivalent to the input fraction, returned as a number.
 */
export declare const toDecimal: (numerator: bigint, denominator: bigint) => number;
/**
 * Convert the amount to be displayed on the user interface.
 *
 * @param {string|bigint} amount - The amount to be converted.
 * @param {number} sourceDecimals - The number of decimal places in the original `amount`.
 * @param {number} desDecimals - The number of decimal places in the `amount` after conversion.
 * @return {number} The value of `amount` after conversion.
 */
export declare const toDisplay: (amount: string | bigint, sourceDecimals?: number, desDecimals?: number) => number;