export interface TreeClasses {
    container: string;
    node: {
        container: string;
        content: string;
        toggler: string;
        icon: string;
        label: string;
        checkbox: string;
        selected: string;
        expanded: string;
        collapsed: string;
    };
    filter: {
        container: string;
        input: string;
        icon: string;
    };
    loading: string;
    emptyMessage: string;
}
export declare const defaultClasses: TreeClasses;