export declare type XMLAttribute = {
    name: string;
    value: string | boolean | number;
};
export declare type XMLNode = {
    tagName: string;
    attributes: XMLAttribute[];
    children?: XMLNode[];
};
export declare function indent(str: string, cols: number): string;
export declare function nodeTreeToXml(root: XMLNode, level?: number): string;
export declare function attr(name: string, value: string | boolean): {
    name: string;
    value: string | boolean;
};
export declare function makeTag(name: string, attrs: XMLAttribute[], children?: XMLNode[]): XMLNode;