import { Unary } from '../core/types';
/**
 * @short
 * Get *min* yielded value, guided *by* a comparison function.
 *
 * @categories
 * static mapped
 *
 * @description
 * The function finds the minimum value among the yielded values. The values
 * are compared after being mapped via the provided function `project`.
 *
 * This is a generalization of {@link Min}.
 *
 * @parameter
 * project
 * (t: T) => number
 *
 * @returns
 * T
 *
 * @example
 * j.MinBy(
 *   [2, 3, 9, 6],
 *   x => Math.abs(5 - x),
 * )
 * // => 6
 *
 * @example
 * j.MinBy(
 *   'jupiter',
 *   x => x.charAt(0),
 * )
 * // => 'e'
 */
export declare function MinBy<T>(iterable: Iterable<T>, project: Unary<T, number>): T;
/**
 * @short
 * Get *max* yielded value, guided *by* a comparison function.
 *
 * @categories
 * static mapped
 *
 * @description
 * The operator finds the maximum value among the yielded values. The values
 * are compared after being mapped via the provided function.
 *
 * This is a generalization of {@link Max}.
 *
 * @parameter
 * map
 * (t: T) => number
 *
 * @returns
 * T
 *
 * @example
 * j.pipe(
 *   [2, 3, 9, 6],
 *   j.MaxBy(x => Math.abs(5 - x))
 * )
 * // => 9
 *
 * @example
 * j.pipe(
 *   'jupiter',
 *   j.MaxBy(x => x.charAt(0)),
 * )
 * // => 't'
 */
export declare function MaxBy<T>(iterable: Iterable<T>, map: Unary<T, number>): T;
/**
 * @short
 * Get *min* yielded value
 *
 * @categories
 * static
 *
 * @description
 * The function finds the minimum value among the yielded values.
 *
 * This is a specialization of {@link MinBy}.
 *
 * @parameter
 * project
 * (t: T) => number
 *
 * @returns
 * T
 *
 * @example
 * j.MinBy(
 *   [2, 3, 9, 6],
 *   x => Math.abs(5 - x),
 * )
 * // => 6
 *
 * @example
 * j.MinBy(
 *   'jupiter',
 *   x => x.charAt(0),
 * )
 * // => 'e'
 */
export declare function Min(iterable: Iterable<number>): number;
/**
 * @short
 * Get *max* yielded value.
 *
 * @categories
 * static
 *
 * @description
 * The operator finds the maximum value among the yielded values.
 *
 * This is a specialization of {@link MaxBy}.
 *
 * @parameter
 * map
 * (t: T) => number
 *
 * @returns
 * T
 *
 * @example
 * j.pipe(
 *   [2, 3, 9, 6],
 *   j.MaxBy(x => Math.abs(5 - x))
 * )
 * // => 9
 *
 * @example
 * j.pipe(
 *   'jupiter',
 *   j.MaxBy(x => x.charAt(0)),
 * )
 * // => 't'
 */
export declare function Max(iterable: Iterable<number>): number;