export type TreeItemId = string;
export type TreeContext = Record<string, TreeItemContext>;
export type TreeModel<T> = Record<TreeItemId, TreeItem<T>>;
export type UpdateCallback = (treeItem: TreeItem<any>, context: TreeContext) => void;
export interface TreeItem<T> {
    id: TreeItemId;
    data: T;
    hasChildren: boolean;
    children: TreeItemId[];
}
export interface TreeItemVisual<T> extends TreeItem<T> {
    level: number;
}
export interface TreeItemContext {
    isExpanded: boolean;
    isSelected: boolean;
}