import { Lens } from "@effect-ts-app/core/Prelude";
import { Effect } from "@effect/io/Effect";
export declare function setIfDefined_<S, A>(lens: Lens<S, A>): <B>(b: B | undefined, map: (b: B) => A) => (s: S) => S;
export declare function setIfDefined<S, A>(lens: Lens<S, A>): <B>(map: (b: B) => A) => (b: B | undefined) => (s: S) => S;
export declare function modifyM_<R, E, A, B>(l: Lens<A, B>, mod: (b: B) => Effect<R, E, B>): (a: A) => import("@effect/io/Effect").Effect<R, E, A>;
export declare function modifyM__<R, E, A, B>(l: Lens<A, B>, a: A, mod: (b: B) => Effect<R, E, B>): import("@effect/io/Effect").Effect<R, E, A>;
export declare function modify__<A, B>(l: Lens<A, B>, a: A, mod: (b: B) => B): A;
export declare function modifyConcat<A, B>(l: Lens<A, readonly B[]>, a: A): (v: readonly B[]) => A;
export declare function modifyConcat_<A, B>(l: Lens<A, readonly B[]>, a: A, v: readonly B[]): A;
export declare function modifyM<A, B>(l: Lens<A, B>): <R, E>(mod: (b: B) => import("@effect/io/Effect").Effect<R, E, B>) => (a: A) => import("@effect/io/Effect").Effect<R, E, A>;
export declare function modify2M_<R, E, A, B, EVT>(l: Lens<A, B>, mod: (b: B) => Effect<R, E, readonly [B, EVT]>): (a: A) => import("@effect/io/Effect").Effect<R, E, readonly [A, EVT]>;
export declare function modify2M__<R, E, A, B, EVT>(l: Lens<A, B>, a: A, mod: (b: B) => Effect<R, E, readonly [B, EVT]>): import("@effect/io/Effect").Effect<R, E, readonly [A, EVT]>;
export declare function modify2M<A, B>(l: Lens<A, B>): <R, E, EVT>(mod: (b: B) => import("@effect/io/Effect").Effect<R, E, readonly [B, EVT]>) => (a: A) => import("@effect/io/Effect").Effect<R, E, readonly [A, EVT]>;
export declare function modify2_<EVT, A, B>(l: Lens<A, B>, mod: (b: B) => readonly [B, EVT]): (a: A) => readonly [A, EVT];
export declare function modify2__<EVT, A, B>(l: Lens<A, B>, a: A, mod: (b: B) => readonly [B, EVT]): readonly [A, EVT];
export declare function modify2<A, B>(l: Lens<A, B>): <EVT>(mod: (b: B) => readonly [B, EVT]) => (a: A) => readonly [A, EVT];
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