export declare const TREE_CSS_CLASSES: {
    readonly tree: "tree";
    readonly treeNode: "tree__node";
};
export declare const TREE_NODE_CSS_CLASSES: {
    readonly treeNode: "tree-node";
    readonly treeNodeTogglerBtn: "tree-node__toggler-btn";
    readonly treeNodeTogglerBtnExpanded: "tree-node__toggler-btn_expanded";
    readonly treeNodeTogglerBtnIcon: "tree-node__toggler-btn-icon";
    readonly treeNodeLabelContent: "tree-node__label-content";
    readonly treeNodeLabel: "tree-node__label";
    readonly treeNodeChildren: "tree-node__children";
    readonly treeNodeChildrenEnter: "tree-node__children-enter";
    readonly treeNodeChildrenEnterActive: "tree-node__children-enter-active";
    readonly treeNodeChildrenExit: "tree-node__children-exit";
    readonly treeNodeChildrenExitActive: "tree-node__children-exit-active";
    readonly treeNodeChildrenExitDone: "tree-node__children-exit-done";
    readonly treeNodeExpanded: "tree-node_expanded";
    readonly treeNodeDisabled: "tree-node_disabled";
    readonly treeNodeFocused: "tree-node_focused";
    readonly treeNodeWithoutChildren: "tree-node_without-children";
};