import { ComputedRef, Ref } from 'vue';
export declare type SelectedItemId = string | number;
export interface SelectedItem<DataT = null> {
    id: SelectedItemId;
    data?: DataT;
}
export interface UseSelected<ItemDataT = null> {
    selectedItemId: ComputedRef<SelectedItemId | null>;
    selectedItemIndex: ComputedRef<number | null>;
    selectedItem: ComputedRef<SelectedItem<ItemDataT> | null>;
    items: ComputedRef<SelectedItem<ItemDataT>[]>;
    setSelectedItem: (id: SelectedItemId) => void;
    addItem: (id: SelectedItemId, data?: Ref<ItemDataT>) => void;
    removeItem: (id: SelectedItemId) => void;
}
export default function useSelected<ItemDataT = null>(initialValue?: SelectedItemId | null, propName?: string | null): {
    selectedItemId: ComputedRef<SelectedItemId | null>;
    selectedItemIndex: ComputedRef<number>;
    selectedItem: ComputedRef<SelectedItem<ItemDataT> | null>;
    items: ComputedRef<SelectedItem<ItemDataT>[]>;
    setSelectedItem: (id: SelectedItemId) => void;
    addItem: (id: SelectedItemId, data?: Ref<ItemDataT> | undefined) => void;
    removeItem: (id: SelectedItemId) => void;
};