type Attrs = Record<string, string | number>;
export declare class Element {
    tag: string;
    attrs: Attrs;
    children: (Element | string)[];
    constructor(tag: string, attrs?: Attrs, children?: (Element | string)[]);
    attr(key: string, value?: string | number | undefined): this;
    fill(color: string, opacity?: number): this;
    stroke(color: string, width: number, dasharray?: string): this;
    add(child?: Element | string | undefined): this;
    toString(): string;
    private leafBounds;
    private rotatedBounds;
    bounds(): Box | undefined;
}
export declare function Group(): Element;
export declare function Text(content: string, attrs?: Attrs): Element;
export declare function Shape(shape: "square" | "circle" | "none", cx: number, cy: number, size: number): Element | undefined;
declare class Box {
    minX: number;
    minY: number;
    maxX: number;
    maxY: number;
    constructor(minX: number, minY: number, maxX: number, maxY: number);
    merge(other?: Box | undefined): Box;
    rotate(angle: number, cx: number, cy: number): Box;
}
export declare class Document {
    private root;
    private defsEl;
    private maskCounter;
    private idPrefix;
    constructor(idPrefix?: string);
    add(child: Element): void;
    createMask(): {
        id: string;
        element: Element;
    };
    computeBounds(): Box | undefined;
    setViewBox(padding: number): void;
    get viewBoxAttr(): string | undefined;
    innerContent(): string;
    serialize(): string;
}
export {};