/**
 * Improve error messages for statistics functions. Errors are typically
 * thrown in an internally used function like larger, causing the error
 * not to mention the function (like max) which is actually used by the user.
 *
 * @param {Error} err
 * @param {String} fnName
 * @param {*} [value]
 * @return {Error}
 */
export declare function improveErrorMessage(err: unknown, fnName: string, value?: unknown): Error;
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