import { ComboboxItem } from '../types';
interface Props {
    allowCustomValue?: boolean;
    filteredItems: ComboboxItem[];
    setSelectedItem: (value: ComboboxItem | null) => void;
}
export declare const singleSelectionReducer: ({ filteredItems, allowCustomValue, setSelectedItem, }: Props) => (state: import('downshift').UseComboboxState<ComboboxItem>, actionAndChanges: import('downshift').UseComboboxStateChangeOptions<ComboboxItem>) => Partial<import('downshift').UseComboboxState<ComboboxItem>>;
export {};
