import { IOrderedEnumerable } from '../types';
import { Comparer } from '../types';
/**
 * Sorts the elements of a sequence in ascending order.
 * @example
 * ```typescript
 * const items = [1, 3, 2];
 * const ordered = order(items).toArray(); // Will be [1, 2, 3]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @param src The source iterable.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted.
 */
export declare function order<TSource>(src: Iterable<TSource>): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in ascending order.
 * @example
 * ```typescript
 * const items = [1, 3, 2];
 * const ordered = order(items).toArray(); // Will be [1, 2, 3]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @param src The source iterable.
 * @param comparer An Comparer<T> to compare keys.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted.
 */
export declare function order<TSource>(src: Iterable<TSource>, comparer: Comparer<TSource>): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in descending order.
 * @example
 * ```typescript
 * const items = [1, 3, 2];
 * const ordered = orderDescending(items).toArray(); // Will be [3, 2, 1]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @param src The source iterable.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted.
 */
export declare function orderDescending<TSource>(src: Iterable<TSource>): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in descending order.
 * @example
 * ```typescript
 * const items = [1, 3, 2];
 * const ordered = orderDescending(items).toArray(); // Will be [3, 2, 1]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @param src The source iterable.
 * @param comparer An Comparer<T> to compare keys.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted.
 */
export declare function orderDescending<TSource>(src: Iterable<TSource>, comparer: Comparer<TSource>): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in ascending order.
 * @example
 * ```typescript
 * const items = [{ id: 1 }, { id: 3 }, { id: 2 }];
 * const ordered = orderBy(items, x => x.id).toArray(); // Will be [{ id: 1 }, { id: 2 }, { id: 3 }]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @typeparam TKey The type of the key returned by keySelector.
 * @param src The source iterable.
 * @param keySelector A function to extract the key for each element.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted according to a key.
 */
export declare function orderBy<TSource, TKey>(src: Iterable<TSource>, keySelector: (item: TSource) => TKey): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in ascending order.
 * @example
 * ```typescript
 * const items = [{ id: 1 }, { id: 3 }, { id: 2 }];
 * const ordered = orderBy(items, x => x.id).toArray(); // Will be [{ id: 1 }, { id: 2 }, { id: 3 }]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @typeparam TKey The type of the key returned by keySelector.
 * @param src The source iterable.
 * @param keySelector A function to extract the key for each element.
 * @param comparer An Comparer<T> to compare keys.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted according to a key.
 */
export declare function orderBy<TSource, TKey>(src: Iterable<TSource>, keySelector: (item: TSource) => TKey, comparer: Comparer<TKey>): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in descending order.
 * @example
 * ```typescript
 * const items = [{ id: 1 }, { id: 3 }, { id: 2 }];
 * const ordered = orderByDescending(items, x => x.id).toArray(); // Will be [{ id: 3 }, { id: 2 }, { id: 1 }]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @typeparam TKey The type of the key returned by keySelector.
 * @param src The source iterable.
 * @param keySelector A function to extract the key for each element.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted according to a key.
 */
export declare function orderByDescending<TSource, TKey>(src: Iterable<TSource>, keySelector: (item: TSource) => TKey): IOrderedEnumerable<TSource>;
/**
 * Sorts the elements of a sequence in descending order.
 * @example
 * ```typescript
 * const items = [{ id: 1 }, { id: 3 }, { id: 2 }];
 * const ordered = orderByDescending(items, x => x.id).toArray(); // Will be [{ id: 3 }, { id: 2 }, { id: 1 }]
 * ```
 * @typeparam TSource The type of the source iterable.
 * @typeparam TKey The type of the key returned by keySelector.
 * @param src The source iterable.
 * @param keySelector A function to extract the key for each element.
 * @param comparer An Comparer<T> to compare keys.
 * @returns An IOrderedEnumerable<TSource> whose elements are sorted according to a key.
 */
export declare function orderByDescending<TSource, TKey>(src: Iterable<TSource>, keySelector: (item: TSource) => TKey, comparer: Comparer<TKey>): IOrderedEnumerable<TSource>;
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