import { ParSeq } from "@tsplus/stdlib/collections/ParSeq/definition";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * Returns the first event in this collection of events. If multiple events
 * occur in parallel and before any other events then any of these events
 * may be returned.
 * @tsplus getter ParSeq first
 * @tsplus location "@tsplus/stdlib/collections/ParSeq/first"
 */
export declare function first<A>(self: ParSeq<A>): Maybe<A>;
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