rxjs/dist/types/internal/observable/never.d.ts

import { Observable } from '../Observable';
/**
 * An Observable that emits no items to the Observer and never completes.
 *
 * ![](never.png)
 *
 * A simple Observable that emits neither values nor errors nor the completion
 * notification. It can be used for testing purposes or for composing with other
 * Observables. Please note that by never emitting a complete notification, this
 * Observable keeps the subscription from being disposed automatically.
 * Subscriptions need to be manually disposed.
 *
 * ##  Example
 * ### Emit the number 7, then never emit anything else (not even complete)
 * ```ts
 * import { NEVER } from 'rxjs';
 * import { startWith } from 'rxjs/operators';
 *
 * function info() {
 *   console.log('Will not be called');
 * }
 * const result = NEVER.pipe(startWith(7));
 * result.subscribe(x => console.log(x), info, info);
 *
 * ```
 *
 * @see {@link Observable}
 * @see {@link index/EMPTY}
 * @see {@link of}
 * @see {@link throwError}
 */
export declare const NEVER: Observable<never>;
/**
 * @deprecated Replaced with the {@link NEVER} constant. Will be removed in v8.
 */
export declare function never(): Observable<never>;
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