import { NonEmptyArguments, Ord, Equal } from "@effect-ts-app/core/Prelude";
import type { Option } from "./Option.js";
import * as Chunk from "@fp-ts/data/Chunk";
export * from "@fp-ts/data/Chunk";
/**
 * @tsplus pipeable fp-ts/data/Chunk sortWith
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function ChunksortWith<A>(...ords: NonEmptyArguments<Ord<A>>): (a: Chunk.Chunk<A>) => Chunk.Chunk<A>;
/**
 * @tsplus fluent fp-ts/data/Chunk groupByT
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function groupByTChunk_<A, Key extends PropertyKey>(c: Chunk.Chunk<A>, f: (a: A) => Key): Chunk.Chunk<readonly [Key, readonly [A, ...A[]]]>;
/**
 * Returns the first element that satisfies the predicate.
 * @tsplus static fp-ts/data/Chunk.Ops findFirstMap
 * @tsplus pipeable fp-ts/data/Chunk findFirstMap
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function findFirstMap<A, B>(f: (a: A) => Option<B>): (as: Chunk.Chunk<A>) => import("@fp-ts/data/Option").None | import("@fp-ts/data/Option").Some<B>;
/**
 * @tsplus getter fp-ts/data/Chunk toArray
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function toArray<T>(c: Chunk.Chunk<T>): readonly T[];
/**
 * Remove duplicates from an array, keeping the first occurrence of an element.
 * @tsplus static fp-ts/data/Chunk.Ops uniq
 * @tsplus pipeable fp-ts/data/Chunk uniq
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function uniq<A>(E: Equal<A>): (self: Chunk.Chunk<A>) => Chunk.Chunk<A>;
/**
 * Test if a value is a member of an array. Takes a `Equivalence<A>` as a single
 * argument which returns the function to use to search for a value of type `A`
 * in an array of type `Chunk<A>`.
 * @tsplus static fp-ts/data/Chunk.Ops elem2
 * @tsplus pipeable fp-ts/data/Chunk elem2
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare function elem<A>(E: Equal<A>, value: A): (self: Chunk.Chunk<A>) => boolean;
/**
 * @tsplus pipeable fp-ts/data/Chunk partition
 * @tsplus location "@effect-ts-app/core/Chunk"
 */
export declare const ChunkPartition: {
    <C extends A, B extends A, A = C>(refinement: import("@fp-ts/data/Predicate").Refinement<A, B>): (fc: Chunk.Chunk<C>) => readonly [Chunk.Chunk<C>, Chunk.Chunk<B>];
    <B_1 extends A_1, A_1 = B_1>(predicate: import("@fp-ts/data/Predicate").Predicate<A_1>): (fb: Chunk.Chunk<B_1>) => readonly [Chunk.Chunk<B_1>, Chunk.Chunk<B_1>];
};
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