import { Compactable2 } from './Compactable.js';
import { Either } from './Either.js';
import { Eq } from './Eq.js';
import { Filterable2 } from './Filterable.js';
import { FilterableWithIndex2C } from './FilterableWithIndex.js';
import { Foldable, Foldable1, Foldable2, Foldable2C, Foldable3 } from './Foldable.js';
import { FoldableWithIndex2C } from './FoldableWithIndex.js';
import { Functor2 } from './Functor.js';
import { FunctorWithIndex2C } from './FunctorWithIndex.js';
import { HKT, Kind, Kind2, Kind3, URIS, URIS2, URIS3 } from './HKT.js';
import { Magma } from './Magma.js';
import { Monoid } from './Monoid.js';
import * as O from './Option.js';
import { Ord } from './Ord.js';
import { Predicate } from './Predicate.js';
import { Refinement } from './Refinement.js';
import { Semigroup } from './Semigroup.js';
import { Separated } from './Separated.js';
import { Show } from './Show.js';
import { Traversable2C } from './Traversable.js';
import { TraversableWithIndex2C } from './TraversableWithIndex.js';
import { Unfoldable, Unfoldable1 } from './Unfoldable.js';
import { Witherable2C } from './Witherable.js';
type Option<A> = O.Option<A>;
/**
 * @category conversions
 * @since 2.5.0
 */
export declare const fromMap: <K, A>(m: Map<K, A>) => ReadonlyMap<K, A>;
/**
 * @category conversions
 * @since 2.5.0
 */
export declare function toMap<K, A>(m: ReadonlyMap<K, A>): Map<K, A>;
/**
 * @category instances
 * @since 2.5.0
 */
export declare function getShow<K, A>(SK: Show<K>, SA: Show<A>): Show<ReadonlyMap<K, A>>;
/**
 * Calculate the number of key/value pairs in a map
 *
 * @since 2.5.0
 */
export declare const size: <K, A>(m: ReadonlyMap<K, A>) => number;
/**
 * Test whether or not a map is empty
 *
 * @since 2.5.0
 */
export declare const isEmpty: <K, A>(m: ReadonlyMap<K, A>) => boolean;
/**
 * Test whether or not a key exists in a map
 *
 * @since 2.5.0
 */
export declare function member<K>(E: Eq<K>): {
    (k: K): <A>(m: ReadonlyMap<K, A>) => boolean;
    <A>(k: K, m: ReadonlyMap<K, A>): boolean;
};
/**
 * Test whether or not a value is a member of a map
 *
 * @since 2.5.0
 */
export declare function elem<A>(E: Eq<A>): {
    (a: A): <K>(m: ReadonlyMap<K, A>) => boolean;
    <K>(a: A, m: ReadonlyMap<K, A>): boolean;
};
/**
 * Get a sorted `ReadonlyArray` of the keys contained in a `ReadonlyMap`.
 *
 * @since 2.5.0
 */
export declare const keys: <K>(O: Ord<K>) => <A>(m: ReadonlyMap<K, A>) => ReadonlyArray<K>;
/**
 * Get a sorted `ReadonlyArray` of the values contained in a `ReadonlyMap`.
 *
 * @since 2.5.0
 */
export declare const values: <A>(O: Ord<A>) => <K>(m: ReadonlyMap<K, A>) => ReadonlyArray<A>;
/**
 * @since 2.5.0
 */
export declare function collect<K>(O: Ord<K>): <A, B>(f: (k: K, a: A) => B) => (m: ReadonlyMap<K, A>) => ReadonlyArray<B>;
/**
 * Get a sorted `ReadonlyArray` of the key/value pairs contained in a `ReadonlyMap`.
 *
 * @category conversions
 * @since 2.5.0
 */
export declare const toReadonlyArray: <K>(O: Ord<K>) => (<A>(m: ReadonlyMap<K, A>) => ReadonlyArray<readonly [K, A]>);
/**
 * Unfolds a map into a list of key/value pairs
 *
 * @category conversions
 * @since 2.5.0
 */
export declare function toUnfoldable<K, F extends URIS>(ord: Ord<K>, U: Unfoldable1<F>): <A>(d: ReadonlyMap<K, A>) => Kind<F, readonly [K, A]>;
export declare function toUnfoldable<K, F>(ord: Ord<K>, U: Unfoldable<F>): <A>(d: ReadonlyMap<K, A>) => HKT<F, readonly [K, A]>;
/**
 * Insert or replace a key/value pair in a `ReadonlyMap`.
 *
 * @since 2.10.0
 */
export declare const upsertAt: <K>(E: Eq<K>) => (<A>(k: K, a: A) => (m: ReadonlyMap<K, A>) => ReadonlyMap<K, A>);
/**
 * Delete a key and value from a map
 *
 * @since 2.5.0
 */
export declare const deleteAt: <K>(E: Eq<K>) => ((k: K) => <A>(m: ReadonlyMap<K, A>) => ReadonlyMap<K, A>);
/**
 * @since 2.5.0
 */
export declare const updateAt: <K>(E: Eq<K>) => (<A>(k: K, a: A) => (m: ReadonlyMap<K, A>) => Option<ReadonlyMap<K, A>>);
/**
 * @since 2.5.0
 */
export declare const modifyAt: <K>(E: Eq<K>) => (<A>(k: K, f: (a: A) => A) => (m: ReadonlyMap<K, A>) => Option<ReadonlyMap<K, A>>);
/**
 * Delete a key and value from a map, returning the value as well as the subsequent map
 *
 * @since 2.5.0
 */
export declare function pop<K>(E: Eq<K>): (k: K) => <A>(m: ReadonlyMap<K, A>) => Option<readonly [A, ReadonlyMap<K, A>]>;
/**
 * Lookup the value for a key in a `Map`.
 * If the result is a `Some`, the existing key is also returned.
 *
 * @since 2.5.0
 */
export declare function lookupWithKey<K>(E: Eq<K>): {
    (k: K): <A>(m: ReadonlyMap<K, A>) => Option<readonly [K, A]>;
    <A>(k: K, m: ReadonlyMap<K, A>): Option<readonly [K, A]>;
};
/**
 * Lookup the value for a key in a `Map`.
 *
 * @since 2.5.0
 */
export declare function lookup<K>(E: Eq<K>): {
    (k: K): <A>(m: ReadonlyMap<K, A>) => Option<A>;
    <A>(k: K, m: ReadonlyMap<K, A>): Option<A>;
};
/**
 * Test whether or not one `Map` contains all of the keys and values contained in another `Map`
 *
 * @since 2.5.0
 */
export declare function isSubmap<K, A>(SK: Eq<K>, SA: Eq<A>): {
    (that: ReadonlyMap<K, A>): (me: ReadonlyMap<K, A>) => boolean;
    (me: ReadonlyMap<K, A>, that: ReadonlyMap<K, A>): boolean;
};
/**
 * @since 2.5.0
 */
export declare const empty: ReadonlyMap<never, never>;
/**
 * @category instances
 * @since 2.5.0
 */
export declare function getEq<K, A>(SK: Eq<K>, SA: Eq<A>): Eq<ReadonlyMap<K, A>>;
/**
 * Gets `Monoid` instance for Maps given `Semigroup` instance for their values
 *
 * @category instances
 * @since 2.5.0
 */
export declare function getMonoid<K, A>(SK: Eq<K>, SA: Semigroup<A>): Monoid<ReadonlyMap<K, A>>;
/**
 * Create a map with one key/value pair
 *
 * @category constructors
 * @since 2.5.0
 */
export declare const singleton: <K, A>(k: K, a: A) => ReadonlyMap<K, A>;
/**
 * Create a map from a foldable collection of key/value pairs, using the
 * specified `Magma` to combine values for duplicate keys.
 *
 * @category constructors
 * @since 2.5.0
 */
export declare function fromFoldable<F extends URIS3, K, A>(E: Eq<K>, M: Magma<A>, F: Foldable3<F>): <R, E>(fka: Kind3<F, R, E, readonly [K, A]>) => ReadonlyMap<K, A>;
export declare function fromFoldable<F extends URIS2, K, A>(E: Eq<K>, M: Magma<A>, F: Foldable2<F>): <E>(fka: Kind2<F, E, readonly [K, A]>) => ReadonlyMap<K, A>;
export declare function fromFoldable<F extends URIS, K, A>(E: Eq<K>, M: Magma<A>, F: Foldable1<F>): (fka: Kind<F, readonly [K, A]>) => ReadonlyMap<K, A>;
export declare function fromFoldable<F, K, A>(E: Eq<K>, M: Magma<A>, F: Foldable<F>): (fka: HKT<F, readonly [K, A]>) => ReadonlyMap<K, A>;
/**
 * @since 2.10.0
 */
export declare const partitionMapWithIndex: <K, A, B, C>(f: (k: K, a: A) => Either<B, C>) => (fa: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, B>, ReadonlyMap<K, C>>;
/**
 * @since 2.10.0
 */
export declare function partitionWithIndex<K, A, B extends A>(predicateWithIndex: (k: K, a: A) => a is B): (m: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, A>, ReadonlyMap<K, B>>;
export declare function partitionWithIndex<K, A>(predicateWithIndex: (k: K, a: A) => boolean): <B extends A>(m: ReadonlyMap<K, B>) => Separated<ReadonlyMap<K, B>, ReadonlyMap<K, B>>;
export declare function partitionWithIndex<K, A>(predicateWithIndex: (k: K, a: A) => boolean): (m: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, A>, ReadonlyMap<K, A>>;
/**
 * @since 2.10.0
 */
export declare const filterMapWithIndex: <K, A, B>(f: (k: K, a: A) => Option<B>) => (fa: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
/**
 * @since 2.10.0
 */
export declare function filterWithIndex<K, A, B extends A>(predicateWithIndex: (k: K, a: A) => a is B): (m: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
export declare function filterWithIndex<K, A>(predicateWithIndex: (k: K, a: A) => boolean): <B extends A>(m: ReadonlyMap<K, B>) => ReadonlyMap<K, B>;
export declare function filterWithIndex<K, A>(predicateWithIndex: (k: K, a: A) => boolean): (m: ReadonlyMap<K, A>) => ReadonlyMap<K, A>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const compact: <K, A>(fa: ReadonlyMap<K, Option<A>>) => ReadonlyMap<K, A>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const filter: {
    <A, B extends A>(refinement: Refinement<A, B>): <K>(fa: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
    <A>(predicate: Predicate<A>): <K, B extends A>(fb: ReadonlyMap<K, B>) => ReadonlyMap<K, B>;
    <A>(predicate: Predicate<A>): <K>(fa: ReadonlyMap<K, A>) => ReadonlyMap<K, A>;
};
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const filterMap: <A, B>(f: (a: A) => Option<B>) => <K>(fa: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
/**
 * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types
 * use the type constructor `F` to represent some computational context.
 *
 * @category mapping
 * @since 2.5.0
 */
export declare const map: <A, B>(f: (a: A) => B) => <K>(fa: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
/**
 * @category mapping
 * @since 2.7.1
 */
export declare const mapWithIndex: <K, A, B>(f: (k: K, a: A) => B) => (fa: ReadonlyMap<K, A>) => ReadonlyMap<K, B>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const partition: {
    <A, B extends A>(refinement: Refinement<A, B>): <K>(fa: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, A>, ReadonlyMap<K, B>>;
    <A>(predicate: Predicate<A>): <K, B extends A>(fb: ReadonlyMap<K, B>) => Separated<ReadonlyMap<K, B>, ReadonlyMap<K, B>>;
    <A>(predicate: Predicate<A>): <K>(fa: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, A>, ReadonlyMap<K, A>>;
};
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const partitionMap: <A, B, C>(f: (a: A) => Either<B, C>) => <K>(fa: ReadonlyMap<K, A>) => Separated<ReadonlyMap<K, B>, ReadonlyMap<K, C>>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare const separate: <K, A, B>(fa: ReadonlyMap<K, Either<A, B>>) => Separated<ReadonlyMap<K, A>, ReadonlyMap<K, B>>;
/**
 * @category type lambdas
 * @since 2.5.0
 */
export declare const URI = "ReadonlyMap";
/**
 * @category type lambdas
 * @since 2.5.0
 */
export type URI = typeof URI;
declare module './HKT.js' {
    interface URItoKind2<E, A> {
        readonly [URI]: ReadonlyMap<E, A>;
    }
}
/**
 * @category instances
 * @since 2.11.0
 */
export declare const getUnionSemigroup: <K, A>(E: Eq<K>, S: Semigroup<A>) => Semigroup<ReadonlyMap<K, A>>;
/**
 * @category instances
 * @since 2.11.0
 */
export declare const getUnionMonoid: <K, A>(E: Eq<K>, S: Semigroup<A>) => Monoid<ReadonlyMap<K, A>>;
/**
 * @category instances
 * @since 2.11.0
 */
export declare const getIntersectionSemigroup: <K, A>(E: Eq<K>, S: Semigroup<A>) => Semigroup<ReadonlyMap<K, A>>;
/**
 * @category instances
 * @since 2.11.0
 */
export declare const getDifferenceMagma: <K>(E: Eq<K>) => <A>() => Magma<ReadonlyMap<K, A>>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare function getFilterableWithIndex<K = never>(): FilterableWithIndex2C<URI, K, K>;
/**
 * @category instances
 * @since 2.7.0
 */
export declare const Functor: Functor2<URI>;
/**
 * @category mapping
 * @since 2.10.0
 */
export declare const flap: <A>(a: A) => <E, B>(fab: Kind2<"ReadonlyMap", E, (a: A) => B>) => Kind2<"ReadonlyMap", E, B>;
/**
 * @category instances
 * @since 2.10.0
 */
export declare const getFunctorWithIndex: <K = never>() => FunctorWithIndex2C<URI, K, K>;
/**
 * @category instances
 * @since 2.7.0
 */
export declare const Compactable: Compactable2<URI>;
/**
 * @category instances
 * @since 2.7.0
 */
export declare const Filterable: Filterable2<URI>;
/**
 * @category folding
 * @since 2.11.0
 */
export declare const reduce: <K>(O: Ord<K>) => (<B, A>(b: B, f: (b: B, a: A) => B) => (m: ReadonlyMap<K, A>) => B);
/**
 * @category folding
 * @since 2.11.0
 */
export declare const foldMap: <K>(O: Ord<K>) => (<M>(M: Monoid<M>) => <A>(f: (a: A) => M) => (m: ReadonlyMap<K, A>) => M);
/**
 * @category folding
 * @since 2.11.0
 */
export declare const reduceRight: <K>(O: Ord<K>) => (<B, A>(b: B, f: (a: A, b: B) => B) => (m: ReadonlyMap<K, A>) => B);
/**
 * @category folding
 * @since 2.10.0
 */
export declare const getFoldable: <K>(O: Ord<K>) => Foldable2C<URI, K>;
/**
 * @category folding
 * @since 2.11.0
 */
export declare const reduceWithIndex: <K>(O: Ord<K>) => (<B, A>(b: B, f: (k: K, b: B, a: A) => B) => (m: ReadonlyMap<K, A>) => B);
/**
 * @category folding
 * @since 2.11.0
 */
export declare const foldMapWithIndex: <K>(O: Ord<K>) => (<M>(M: Monoid<M>) => <A>(f: (k: K, a: A) => M) => (m: ReadonlyMap<K, A>) => M);
/**
 * @category folding
 * @since 2.11.0
 */
export declare const reduceRightWithIndex: <K>(O: Ord<K>) => (<B, A>(b: B, f: (k: K, a: A, b: B) => B) => (m: ReadonlyMap<K, A>) => B);
/**
 * @category folding
 * @since 2.10.0
 */
export declare const getFoldableWithIndex: <K>(O: Ord<K>) => FoldableWithIndex2C<URI, K, K>;
/**
 * @category traversing
 * @since 2.10.0
 */
export declare const getTraversable: <K>(O: Ord<K>) => Traversable2C<URI, K>;
/**
 * @category traversing
 * @since 2.10.0
 */
export declare const getTraversableWithIndex: <K>(O: Ord<K>) => TraversableWithIndex2C<URI, K, K>;
/**
 * @category filtering
 * @since 2.5.0
 */
export declare function getWitherable<K>(O: Ord<K>): Witherable2C<URI, K> & TraversableWithIndex2C<URI, K, K>;
/**
 * @since 2.11.0
 */
export declare const union: <K, A>(E: Eq<K>, M: Magma<A>) => ((second: ReadonlyMap<K, A>) => (first: ReadonlyMap<K, A>) => ReadonlyMap<K, A>);
/**
 * @since 2.11.0
 */
export declare const intersection: <K, A>(E: Eq<K>, M: Magma<A>) => ((second: ReadonlyMap<K, A>) => (first: ReadonlyMap<K, A>) => ReadonlyMap<K, A>);
/**
 * @since 2.11.0
 */
export declare const difference: <K>(E: Eq<K>) => (<A>(_second: ReadonlyMap<K, A>) => (first: ReadonlyMap<K, A>) => ReadonlyMap<K, A>);
/**
 * Use [`upsertAt`](#upsertat) instead.
 *
 @category zone of death
 * @since 2.5.0
 * @deprecated
 */
export declare const insertAt: <K>(E: Eq<K>) => <A>(k: K, a: A) => (m: ReadonlyMap<K, A>) => ReadonlyMap<K, A>;
/**
 * This instance is deprecated, use small, specific instances instead.
 * For example if a function needs a `Functor` instance, pass `RM.Functor` instead of `RM.readonlyMap`
 * (where `RM` is from `import RM from 'fp-ts/ReadonlyMap'`)
 *
 * @category zone of death
 * @since 2.5.0
 * @deprecated
 */
export declare const readonlyMap: Filterable2<URI>;
export {};