| 1 | import { OptionalFindOptions } from './findoptions';
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| 2 | /**
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| 3 | * Returns a promise that represents how many elements in the specified async-iterable sequence satisfy a condition
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| 4 | * otherwise, the number of items in the sequence.
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| 5 | *
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| 6 | * @export
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| 7 | * @template T The type of elements in the source collection.
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| 8 | * @param {AsyncIterable<T>} source An async-iterable sequence that contains elements to be counted.
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| 9 | * @param {OptionalFindOptions<T>} [options] The options for a predicate for filtering, thisArg for binding and AbortSignal for cancellation.
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| 10 | * @returns {Promise<number>} The number of matching elements for the given condition if provided, otherwise
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| 11 | * the number of elements in the sequence.
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| 12 | */
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| 13 | export declare function count<T>(source: AsyncIterable<T>, options?: OptionalFindOptions<T>): Promise<number>;
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