import React, { type ReactNode } from 'react';
import type { FormSelectMenuSearchListboxApi } from './type';
export declare const formSelectNoResultsLabel: React.JSX.Element;
export declare const formSelectLoadingLabel: React.JSX.Element;
export declare function resolveFormSelectOptionLabel(option: unknown, renderOption?: (option: unknown) => ReactNode, getOptionLabel?: (option: unknown) => string): ReactNode;
export declare function optionLabelMatchesMenuSearch(option: unknown, query: string, getOptionLabel?: (option: unknown) => string): boolean;
/**
 * Returns options unchanged: disables MUI’s default input-based filtering (parent/API owns `options`)
 * and keeps a stable `filterOptions` reference so it is not recreated every render.
 */
export declare function formSelectAutocompletePassthroughFilterOptions<T>(opts: T[]): T[];
/**
 * Stable Autocomplete listbox + in-menu search row, bound to `apiRef` (read `apiRef.current` each render).
 */
export declare function createMenuSearchListbox(apiRef: React.MutableRefObject<FormSelectMenuSearchListboxApi | null>): React.ForwardRefExoticComponent<React.HTMLAttributes<HTMLUListElement> & React.RefAttributes<HTMLUListElement>>;