import { IROIValues } from '../interfaces'; /** * Return on Investment (ROI) * ROI is a ratio between the net profit and cost of investment resulting from an investment of some resources * @param {object} data * @returns {number} */ export declare function calculateROI(data: IROIValues): number; /** * Sharpe ratio * Sharpe ratio is a way to examine the performance of an investment by adjusting for its risk. * * @param data * @returns {any} */ export declare function calculateSharpeRatio(data: T): T;