import { useCheckboxState } from '../Checkbox';
/**
 * SelectionTree state
 * @example
 * const state = useSelectionTreeState({
 *  items: []
 * })
 *
 * console.log(state.selectedItems) // to display the currently selected items
 */
export declare function useSelectionTreeState<T>(params: UseSelectionTreeStateParams<T>): SelectionTreeState<T>;
export interface SelectionTreeState<T> {
    /**
     * currently selected items
     */
    selectedItems: T[];
    /**
     * Root state
     */
    root: ReturnType<typeof useCheckboxState>;
    /**
     * Items state
     */
    items: ReturnType<typeof useCheckboxState>;
}
export interface UseSelectionTreeStateParams<T> {
    /**
     * Collection of items
     */
    items: T[];
    /**
     * Maps the unique key (id) for the collection
     * @default (item) => item.id
     */
    mapId?: (item: T) => string | number;
    /**
     * Condition that makes an item initially selected
     * @default () => false
     */
    isInitiallySelected?: (item: T) => boolean;
}