import { ComputedRef, Ref } from 'vue';
import { OptionItem } from '../../declaration';
export declare function useGroupedItems(items: Ref<OptionItem[]>, groupBy: Ref<((item: any, index: number) => string | null) | null>, groupOrder: Ref<string[]>): {
    groupedItems: ComputedRef<{
        name: string;
        items: OptionItem[];
    }[]>;
};