import { ComboboxItem } from './Combobox.types';
export declare function getItemLabel(item: ComboboxItem): string | number | bigint | boolean | import('react').ReactElement<unknown, string | import('react').JSXElementConstructor<any>> | Iterable<import('react').ReactNode> | Promise<string | number | bigint | boolean | import('react').ReactPortal | import('react').ReactElement<unknown, string | import('react').JSXElementConstructor<any>> | Iterable<import('react').ReactNode> | null | undefined>;
export declare function getItemText(item: ComboboxItem): string;
export declare function getItemKey(item: ComboboxItem, index: number): string;
export declare function getSelectedItem(items: ComboboxItem[], value: string | null | undefined): ComboboxItem | null;
export declare function normalizeQuery(value: string): string;