import { Observable } from 'rxjs';
import { Block, FrequencyObservableOptions } from '../types';
/**
 * Observable that emits on every new block. Note: this FrequencyObservable
 * won't fire when the light client is syncing.
 *
 * @param options - Options to pass to {@link FrequencyObservable}.
 */
export declare function onEveryBlock$(
  options?: FrequencyObservableOptions
): Observable<Block>;