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path: root/school/node_modules/graphql/subscription/mapAsyncIterator.d.ts
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import { PromiseOrValue } from '../jsutils/PromiseOrValue';

/**
 * Given an AsyncIterable and a callback function, return an AsyncIterator
 * which produces values mapped via calling the callback function.
 */
export default function mapAsyncIterator<T, U>(
  iterable: AsyncIterable<T>,
  callback: (arg: T) => PromiseOrValue<U>,
  rejectCallback?: (arg: any) => PromiseOrValue<U>,
): any; // TS_SPECIFIC: AsyncGenerator requires typescript@3.6