import type { Cause } from "../Cause/cause";
import type { Promise } from "./promise";
/**
 * Halts the promise with the specified cause, which will be propagated to all
 * fibers waiting on the value of the promise.
 */
export declare function halt_<E, A>(promise: Promise<E, A>, e: Cause<E>): import("../Effect").UIO<boolean>;
/**
 * Halts the promise with the specified cause, which will be propagated to all
 * fibers waiting on the value of the promise.
 */
export declare function halt<E>(e: Cause<E>): <A>(promise: Promise<E, A>) => import("../Effect").UIO<boolean>;
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