import type { Option } from "../../Option";
import * as T from "../Task/_core";
import type { Atomic } from "./model";
export declare const getAndSet: <A>(a: A) => (self: Atomic<A>) => T.IO<A>;
export declare const getAndUpdate: <A>(f: (a: A) => A) => (self: Atomic<A>) => T.IO<A>;
export declare const getAndUpdateSome: <A>(f: (a: A) => Option<A>) => (self: Atomic<A>) => T.IO<A>;
export declare const modify: <A, B>(f: (a: A) => readonly [B, A]) => (self: Atomic<A>) => T.IO<B>;
export declare const modifySome: <B>(
   def: B
) => <A>(f: (a: A) => Option<readonly [B, A]>) => (self: Atomic<A>) => T.IO<B>;
export declare const update: <A>(f: (a: A) => A) => (self: Atomic<A>) => T.IO<void>;
export declare const updateAndGet: <A>(f: (a: A) => A) => (self: Atomic<A>) => T.IO<A>;
export declare const updateSome: <A>(f: (a: A) => Option<A>) => (self: Atomic<A>) => T.IO<void>;
export declare const updateSomeAndGet: <A>(f: (a: A) => Option<A>) => (self: Atomic<A>) => T.IO<A>;
export declare const unsafeUpdate: <A>(f: (a: A) => A) => (self: Atomic<A>) => void;
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