import * as O from "../Option"
import type { Promise } from "./promise"
/**
 * Checks for completion of this Promise. Returns the result effect if this
 * promise has already been completed or a `None` otherwise.
 */
export declare function poll<E, A>(
  promise: Promise<E, A>
): import("../Effect").UIO<O.None | O.Some<import("../Effect").IO<E, A>>>
//# sourceMappingURL=poll.d.ts.map
