import * as L from "@effect-ts/core/Collections/Immutable/List";
import type { Either } from "@effect-ts/core/Either";
import type { Predicate, Refinement } from "@effect-ts/core/Function";
import type { Identity } from "@effect-ts/core/Identity";
import type { Option } from "@effect-ts/core/Option";
import type { URI } from "@effect-ts/core/Prelude";
import * as P from "@effect-ts/core/Prelude";
import type { HashMap } from "@effect-ts/system/Collections/Immutable/HashMap";
import * as _ from "../Internal/index.js";
import { ModifyF, Traversal } from "../Internal/index.js";
export { ModifyF, Traversal };
export declare const id: <S>() => _.Traversal<S, S>;
/**
 * Create a `Traversal` from a `ForEach`
 */
export declare const fromForEach: typeof _.fromForEach;
/**
 * Compose a `Traversal` with a `Traversal`
 */
export declare const compose: <A, B>(ab: Traversal<A, B>) => <S>(sa: Traversal<S, A>) => Traversal<S, B>;
export declare const modify: <A>(f: (a: A) => A) => <S>(sa: _.Traversal<S, A>) => (s: S) => S;
export declare const set: <A>(a: A) => <S>(sa: _.Traversal<S, A>) => (s: S) => S;
export declare function filter<A, B extends A>(refinement: Refinement<A, B>): <S>(sa: Traversal<S, A>) => Traversal<S, B>;
export declare function filter<A>(predicate: Predicate<A>): <S>(sa: Traversal<S, A>) => Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` and a prop
 */
export declare const prop: <A, P extends keyof A>(prop: P) => <S>(sa: _.Traversal<S, A>) => _.Traversal<S, A[P]>;
/**
 * Return a `Traversal` from a `Traversal` and a list of props
 */
export declare const props: <A, P extends keyof A>(props_0: P, props_1: P, ...props_2: P[]) => <S>(sa: _.Traversal<S, A>) => _.Traversal<S, { [K in P]: A[K]; }>;
/**
 * Return a `Traversal` from a `Traversal` and a component
 */
export declare const component: <A extends readonly unknown[], P extends keyof A>(prop: P) => <S>(sa: _.Traversal<S, A>) => _.Traversal<S, A[P]>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ReadonlyArray`
 */
export declare const index: (i: number) => <S, A>(sa: _.Traversal<S, readonly A[]>) => _.Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ReadonlyRecord` and a key
 */
export declare const keyInRecord: (key: string) => <S, A>(sa: _.Traversal<S, Readonly<Record<string, A>>>) => _.Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ReadonlyRecord` and a required key
 */
export declare const atKeyInRecord: (key: string) => <S, A>(sa: _.Traversal<S, Readonly<Record<string, A>>>) => _.Traversal<S, Option<A>>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ReadonlyRecord` and a key
 */
export declare const keyInHashMap: <K = never>(key: K) => <S, A>(sa: _.Traversal<S, Readonly<HashMap<K, A>>>) => _.Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ReadonlyRecord` and a required key
 */
export declare const atKeyInHashMap: <K = never>(key: K) => <S, A>(sa: _.Traversal<S, Readonly<HashMap<K, A>>>) => _.Traversal<S, Option<A>>;
/**
 * Return a `Traversal` from a `Traversal` focused on the `Some` of a `Option` type
 */
export declare const some: <S, A>(soa: Traversal<S, Option<A>>) => Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` focused on the `Right` of a `Either` type
 */
export declare const right: <S, E, A>(sea: Traversal<S, Either<E, A>>) => Traversal<S, A>;
/**
 * Return a `Traversal` from a `Traversal` focused on the `Left` of a `Either` type
 */
export declare const left: <S, E, A>(sea: Traversal<S, Either<E, A>>) => Traversal<S, E>;
/**
 * Return a `Traversal` from a `Traversal` focused on a `ForEach`
 */
export declare function forEach<T extends P.URIS, C = P.Auto>(T: P.ForEach<T, C>): <TK, TQ, TW, TX, TI, TS, TR, TE, S, A>(sta: Traversal<S, P.Kind<T, C, TK, TQ, TW, TX, TI, TS, TR, TE, A>>) => Traversal<S, A>;
/**
 * Map each target to a `Monoid` and combine the results.
 */
export declare const foldMap: <M>(M: Identity<M>) => <A>(f: (a: A) => M) => <S>(sa: _.Traversal<S, A>) => (s: S) => M;
/**
 * Map each target to a `Monoid` and combine the results.
 */
export declare const fold: <A>(M: Identity<A>) => <S>(sa: _.Traversal<S, A>) => (s: S) => A;
/**
 * Get all the targets of a `Traversal`.
 */
export declare const getAll: <S>(s: S) => <A>(sa: _.Traversal<S, A>) => readonly A[];
/**
 * Get all the targets of a `Traversal`.
 */
export declare const getAllList: <S>(s: S) => <A>(sa: _.Traversal<S, A>) => L.List<A>;
export declare const TraversalURI = "monocle/Traversal";
export declare type TraversalURI = typeof TraversalURI;
declare module "@effect-ts/core/Prelude/HKT" {
    interface URItoKind<FC, TC, K, Q, W, X, I, S, R, E, A> {
        [TraversalURI]: Traversal<I, A>;
    }
}
export declare const Category: P.Category<[URI<"monocle/Traversal", {}>], P.Auto>;
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