/**
 * @packageDocumentation
 * @module Array
 */
import { OperatorFunction, Subscribable } from 'rxjs';
/**
 * Returns an Observable Array containing filtered values that are not in the provided input Array or Set
 *
 * @category Filter
 *
 * @see Operator [[difference]] for only the values from the source
 * @see Operator [[differenceAll]] when you want to get all differences in both source and input array
 *
 * @typeParam T Type of value contained in the source Array or Set
 *
 * @param compare Array or Set value to compare the source value with
 *
 * @example
 * Returns the difference between the source array and the passed static array
 * ```ts
 * const input = ['a', 'b', 'd', 'a', 'b'];
 * of(input).pipe(filterDifference(['a', 'c'])).subscribe();
 * ```
 * Output: `'b', 'd', 'b'`
 *
 * @example
 * Returns the difference between the source array and the passed Observable array
 * ```ts
 * const input = ['a', 'b', 'd', 'a', 'b'];
 * of(input).pipe(filterDifference(of(['a', 'c']))).subscribe();
 * ```
 * Output: `'b', 'd', 'b'`
 *
 * @returns An Observable that emits an Array with the difference between source and input
 */
export declare function filterDifference<T extends unknown>(compare: Subscribable<Iterable<T>> | Iterable<T>): OperatorFunction<Iterable<T>, T[]>;