/**
 * Copyright (c) 2020 TypeFox GmbH. All rights reserved.
 * Licensed under the GNU Affero General Public License (AGPL).
 * See License-AGPL.txt in the project root for license information.
 */
export declare function find<T>(it: AsyncIterableIterator<T>, predicate: (value: T) => boolean): Promise<T | undefined>;
export declare function filter<T>(it: AsyncIterableIterator<T>, predicate: (value: T) => boolean): Promise<T[]>;
export interface AsyncCachingIterator<T> extends AsyncIterableIterator<T> {
    resetCursor(): void;
}
export declare class AsyncCachingIteratorImpl<T> implements AsyncIterableIterator<T>, AsyncCachingIterator<T> {
    protected readonly iterable: AsyncIterableIterator<T>;
    protected cache: T[];
    protected cursor: number;
    protected cacheRead: boolean;
    constructor(iterable: AsyncIterableIterator<T>);
    resetCursor(): void;
    next(value?: any): Promise<IteratorResult<T>>;
    [Symbol.asyncIterator](): this;
}
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