import { BigNumber } from "bignumber.js";
import { BN } from "./types";
/**
 * @title Utility function for rounding BN values.
 * @param {BN} inputAmount that is scaled up.
 * @param {Number} inputDecimals specifies decimal scaling for processed value.
 * @param {Number} roundingPrecision specifies amount of decimals left after rounding.
 *      Negative value would round to the nearest 10 to the power of absolute roundingPrecision value.
 * @param {RoundingMode} roundingMode is optional rounding mode documented in
 *      https://mikemcl.github.io/bignumber.js/#constructor-properties
 */
export declare function roundToDecimal(inputAmount: BN, inputDecimals: number, roundingPrecision: number, roundingMode?: BigNumber.RoundingMode): BN;