import type { V as Variance } from "@principia/prelude/HKT";
import type { Cause } from "./Cause";
export declare type Exit<E, A> = Success<A> | Failure<E>;
export interface Success<A> {
   readonly _tag: "Success";
   readonly value: A;
}
export interface Failure<E> {
   readonly _tag: "Failure";
   readonly cause: Cause<E>;
}
export declare const URI = "Exit";
export declare type URI = typeof URI;
export declare type V = Variance<"E", "+">;
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