import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
import { Chunk } from "@tsplus/stdlib/collections/Chunk/definition";
/**
 * Returns a filtered, mapped subset of the elements of this chunk.
 * @tsplus static Chunk.Aspects collectWithIndex
 * @tsplus pipeable Chunk collectWithIndex
 * @tsplus location "@tsplus/stdlib/collections/Chunk/operations/collectWithIndex"
 */
export declare function collectWithIndex<A, B>(f: (index: number, a: A) => Maybe<B>): (self: Chunk<A>) => Chunk<B>;
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