import type { array } from "../types";
/**
 * Modified Dietz Return.
 *
 * Compute the Modified Dietz Return. It takes into account the timing
 * of the cash flows, weighting them by the time they were held in the portfolio.
 *
 * @param ev ending value
 * @param bv beginning value
 * @param cf cash flow array
 * @param cfd cash flow dates array as fraction of the total period
 * @return Modified Dietz Return
 *
 * @example Calculate Modified Dietz Return with multiple cash flows
 * ```ts
 * import { assertEquals } from "jsr:@std/assert";
 *
 * var bv = 100000; // beginning value
 * var ev = 110000; // ending value
 * var cf1 = 10000; //cash flow 1 (inflow)
 * var cf2 = 5000;  //cash flow 2 (inflow)
 * var cf3 = -2000; //cash flow 3 (outflow)
 * var cf = [cf1,cf2,cf3]; //cash flow array
 * var cfd = [0.25,0.5,0.75]; //cash flow dates array as fraction of the total period
 *
 * assertEquals(mdietz(ev,bv,cf,cfd), -0.0273972602739726);
 * ```
 */
export default function mdietz(ev: number, bv: number, cf: number | array, cfd: number | array): number;
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