import type * as HKT from "@principia/prelude/HKT";
import type { Task } from "../../Task/model";
export declare type Decision<R, I, O> = Done<O> | Continue<R, I, O>;
export interface Continue<R, I, O> {
   readonly _tag: "Continue";
   readonly out: O;
   readonly interval: number;
   readonly next: StepFunction<R, I, O>;
}
export interface Done<O> {
   readonly _tag: "Done";
   readonly out: O;
}
export declare type StepFunction<R, I, O> = (interval: number, input: I) => Task<R, never, Decision<R, I, O>>;
export declare const URI = "Decision";
export declare type URI = typeof URI;
export declare type V = HKT.V<"X", "+"> & HKT.V<"R", "-"> & HKT.V<"E", "-">;
//# sourceMappingURL=Decision.d.ts.map