export type ItemActivatedEvent = {
    item: Element;
    checked: boolean;
    value: string | null;
};
export type TreeViewNodeType = 'leaf' | 'sub-tree';
export type TreeViewCheckedValue = 'true' | 'false' | 'mixed';
export type TreeViewNodeInfo = {
    node: Element;
    type: TreeViewNodeType;
    path: string[];
    checkedValue: TreeViewCheckedValue;
    previousCheckedValue: TreeViewCheckedValue;
};
declare global {
    interface HTMLElementEventMap {
        itemActivated: CustomEvent<ItemActivatedEvent>;
        beforeItemActivated: CustomEvent<ItemActivatedEvent>;
        treeViewNodeActivated: CustomEvent<TreeViewNodeInfo>;
        treeViewBeforeNodeActivated: CustomEvent<TreeViewNodeInfo>;
        treeViewNodeExpanded: CustomEvent<TreeViewNodeInfo>;
        treeViewNodeCollapsed: CustomEvent<TreeViewNodeInfo>;
        treeViewNodeChecked: CustomEvent<TreeViewNodeInfo[]>;
        treeViewBeforeNodeChecked: CustomEvent<TreeViewNodeInfo[]>;
    }
}