import { BigNumberish } from "starknet";
import { BigDecimal } from "./types";
/**
 * Formats a BigInt representing wei into a string representing ether,
 * with a precision of 18 decimal places.
 *
 * {
 *    wei: bigint,
 *    decimals: 18
 * }
 *
 * @param {bigint} wei - The amount in wei to be formatted to ether.
 * @returns {string} The amount in ether.
 */
export declare function formatEther(wei: bigint): string;
/**
 * Parses a string representing ether into a BigInt representing wei.
 *
 * @param {string} ether - The amount in ether to be parsed to wei.
 * @returns {bigint} The amount in wei.
 */
export declare function parseEther(ether: string): BigDecimal;
/**
 * Formats a BigInt representing a currency amount into a string,
 * with a precision of 18 decimal places.
 *
 * {
 *    amount: bigint,
 *    decimals: 18
 * }
 *
 * @param {bigint} value - The amount to be formatted.
 * @returns {string} The formatted amount.
 */
export declare function formatCurrency(value: bigint): string;
/**
 * Parses a string representing a currency amount into a BigInt.
 *
 * @param {string} amount - The amount to be parsed.
 * @returns {bigint} The parsed amount.
 */
export declare function parseCurrency(amount: string): BigDecimal;
/**
 * Computes the absolute value of a BigInt.
 *
 * @param {bigint} num - The number to be converted to its absolute value.
 * @returns {bigint} The absolute value of the number.
 */
export declare function absBigInt(num: bigint): bigint;
/**
 * Parses a string representing a currency amount into a BigInt, and
 * then returns its absolute value.
 *
 * @param {string} amount - The amount to be parsed and then converted to absolute value.
 * @returns {bigint} The absolute value of the parsed amount.
 */
export declare function parseCurrencyAbs(amount: string): BigDecimal;
/**
 * Converts a BigNumberish to a BigDecimal.
 *
 * This is unsafe, please use with caution.
 * @param {BigNumberish} value - The number to be converted to a BigDecimal.
 * @returns {BigDecimal} The converted number.
 */
export declare function toBigDecimal(value: BigNumberish, decimals: number): BigDecimal;