export declare class Tree {
    text: TreeText;
    private readonly children;
    constructor(text: TreeText, children?: Tree[]);
    addChild(tree: Tree): void;
    height(): number;
    render(): string;
    toString(): string;
    private _render;
}
export declare class TreeText {
    header: string[];
    body: string[];
    footer: string[];
    constructor(header?: string[], body?: string[], footer?: string[]);
    get lines(): string[];
    lineCount(): number;
}
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