| 1 | import { AsyncIterableX } from './asynciterablex';
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| 2 | export declare class DefaultIfEmptyAsyncIterable<TSource> extends AsyncIterableX<TSource> {
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| 3 | private _source;
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| 4 | private _defaultValue;
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| 5 | constructor(source: AsyncIterable<TSource>, defaultValue: TSource);
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| 6 | [Symbol.asyncIterator](): AsyncIterableIterator<TSource>;
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| 7 | }
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| 8 | export declare function defaultIfEmpty<T>(source: AsyncIterable<T>, defaultValue: T): AsyncIterableX<T>;
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