import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
import { ImmutableArray } from "@tsplus/stdlib/collections/ImmutableArray/definition";
/**
 * Filters the `ImmutableArray` and maps the output using the specified
 * function.
 * @tsplus static ImmutableArray.Aspects collect
 * @tsplus pipeable ImmutableArray collect
 * @tsplus location "@tsplus/stdlib/collections/ImmutableArray/collect"
 */
export declare function collect<A, B>(f: (a: A) => Maybe<B>): (self: ImmutableArray<A>) => ImmutableArray<B>;
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