/** @internal */
import { RefObject } from 'react';
import { ComboboxItem, ComboboxOnChange, ComboboxOnChangeEvent } from './Combobox';
export declare function useComboxSetPlaceholderValueOnMount(multiselect: boolean, updatePlaceholderValue: () => void): void;
interface useComboboxFilterListProps {
    inputValue: string;
    items?: ComboboxItem[];
}
/**
 * Description
 */
export declare function useComboboxFilterList({ items, inputValue }: useComboboxFilterListProps): ComboboxItem[];
interface ComboboxEmitChangeEventProps {
    e?: ComboboxOnChangeEvent;
    itemAdded?: string;
    itemSelected?: string;
    itemsSelected?: ComboboxItem[];
    itemsUpdated?: ComboboxItem[];
    value?: string;
}
/**
 * Factory function submits a curated onChange event and payload
 * on input change, add item, select item.
 */
export declare function useComboboxOnChange(onChange?: ComboboxOnChange, multiselect?: boolean): {
    emitChangeEvent: ({ e, itemAdded, itemsUpdated, value, itemSelected, }: ComboboxEmitChangeEventProps) => void;
};
interface ComboboxCloseListOnScrollProps {
    inputRef: RefObject<HTMLInputElement>;
    setShowDatalist: (x: boolean) => void;
    showDatalist: boolean;
}
/**
 * Closes list and unfocus input on scroll.
 */
export declare function useComboboxScroll({ inputRef, showDatalist, setShowDatalist, }: ComboboxCloseListOnScrollProps): void;
export {};