rxjs/dist/types/internal/operators/ignoreElements.d.ts

import { OperatorFunction } from '../types';
/**
 * Ignores all items emitted by the source Observable and only passes calls of `complete` or `error`.
 *
 * ![](ignoreElements.png)
 *
 * The _IgnoreElements_ operator suppresses all of the items emitted by the source Observable,
 * but allows its termination notification (either `error` or `complete`) to pass through unchanged.
 *
 * If you do not care about the items being emitted by an Observable, but you do want to be notified
 * when it completes or when it terminates with an error, you can apply the `ignoreElements` operator
 * to the Observable, which will ensure that it will never call its observers’ `next` handlers.
 *
 * ## Examples
 * ```ts
 * import { of } from 'rxjs';
 * import { ignoreElements } from 'rxjs/operators';
 *
 * of('you', 'talking', 'to', 'me').pipe(
 *   ignoreElements(),
 * )
 * .subscribe({
 *   next: word => console.log(word),
 *   error: err => console.log('error:', err),
 *   complete: () => console.log('the end'),
 * });
 * // result:
 * // 'the end'
 * ```
 * @return A function that returns an empty Observable that only calls
 * `complete` or `error`, based on which one is called by the source
 * Observable.
 */
export declare function ignoreElements(): OperatorFunction<any, never>;
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