export declare class ProstoTree<NodeType = unknown> {
    private readonly options;
    constructor(options?: Partial<TProstoTreeOptions<NodeType>>);
    private _render;
    render(root: NodeType, opts?: TProstoTreeRenderOptions): string;
    print(root: NodeType, opts?: TProstoTreeRenderOptions): string;
}

export declare interface TProstoTreeOptions<NodeType = unknown> {
    label: string;
    children: string;
    renderLabel: (node: NodeType, level: number) => string | string[];
    branchWidth: number;
    chars: Partial<TProstoTreeOptionsCharacters>;
}

export declare interface TProstoTreeOptionsCharacters {
    vLine: string;
    hLine: string;
    end: string;
    middle: string;
    node: string;
}

export declare interface TProstoTreeRenderOptions {
    level?: number;
    childrenLimit?: number;
    showLast?: boolean;
}

export { }