/// <reference types="bn.js" />
import { BN } from "@project-serum/anchor";
import BigNumber from "bignumber.js";
export declare function getAmountByDecimals(amount: BN | BigNumber, decimals: number): number;
export declare function getAprInfo(utilization: number, config: {
    threshold1: number;
    threshold2: number;
    base1: number;
    factor1: number;
    base2: number;
    factor2: number;
    base3: number;
    factor3: number;
}): {
    borrowInterest: number;
    apr: number;
    apy: number;
};
export declare function aprToApy(apr: number, n?: number): number;