/**
 * Item-equality helpers for Select. Mirrors Base UI React's
 * `packages/react/src/internals/itemEquality.ts`. The Solid port copies
 * the three functions the select machinery needs (default comparison,
 * find-index, remove-from-array). Kept local under `select/utils/` rather
 * than promoted to `src/internals/` since no other compound uses them yet.
 */
export declare function defaultItemEquality(a: unknown, b: unknown): boolean;
export declare function compareItemEquality(itemValue: unknown, selectedValue: unknown, comparer: (a: unknown, b: unknown) => boolean): boolean;
export declare function findItemIndex(values: ReadonlyArray<unknown>, target: unknown, comparer: (a: unknown, b: unknown) => boolean): number;
export declare function removeItem<T>(list: ReadonlyArray<T>, item: T, comparer: (a: unknown, b: unknown) => boolean): T[];
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