import { IsLiteral } from "type-fest";

//#region src/functions/difference/difference.d.ts
/**
 * Gets the difference between two arrays.
 * @param array1 The first array.
 * @param array2 The second array.
 * @param comparator A function that determines whether two items are equal.
 * @returns An array with the difference between the two arrays - items that are in the first array but not in the second.
 * @example
 * ```ts
 * difference([1, 2, 3], [2, 3, 4]) // [2, 3]
 * ```
 */
declare function difference<const T, const S extends T>(array1: readonly T[], array2: readonly S[], comparator?: Comparator<T, S>): Array<IsLiteral<T> | IsLiteral<S> extends true ? Exclude<T, S> : T>;
/**
 * Gets the difference between two arrays.
 * @param array1 The first array.
 * @param array2 The second array.
 * @param comparator A function that determines whether two items are equal.
 * @returns An array with the difference between the two arrays - items that are in the first array but not in the second.
 * @example
 * ```ts
 * difference([1, 2, 3], [2, 3, 4]) // [2, 3]
 * ```
 */
declare function difference<T, S extends T>(array1: readonly T[], array2: readonly S[], comparator?: Comparator<T, S>): Array<IsLiteral<T> | IsLiteral<S> extends true ? Exclude<T, S> : T>;
type Comparator<T, S extends T> = ((a: T, b: S) => a is Exclude<T, S>) | ((a: T, b: S) => boolean);
//#endregion
export { difference as t };
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