/**
 * @packageDocumentation
 * @module Array
 */
import { OperatorFunction, Subscribable } from 'rxjs';
/**
 * Returns an Observable Array containing unique values that are in both the source and provided input Array or Set
 *
 * @category Filter
 *
 * @see [[filterIntersects]] operator for an Array containing potential duplicate intersections
 *
 * @typeParam T Item type contained in the Array or Set
 *
 * @param input Array or Set or Observable value to compare against for the intersection
 *
 * @example
 * Returns the intersection between the source array and the passed static array
 * ```ts
 * const input = ['a', 'b', 'd', 'a', 'b'];
 * of(input).pipe(intersects(['a', 'd'])).subscribe();
 * ```
 * Output: `'a', 'd'`
 *
 * @example
 * Returns the intersection between the source array and the passed Observable array
 * ```ts
 * const input = ['a', 'b', 'd', 'a', 'b'];
 * of(input).pipe(intersects(of(['a', 'd']))).subscribe();
 * ```
 * Output: `'a', 'd'`
 *
 * @returns An Observable that emits an array of the intersection of input and source arrays.
 */
export declare function intersects<T extends unknown>(input: Subscribable<Iterable<T>> | Iterable<T>): OperatorFunction<Iterable<T>, T[]>;