/**
 * Tiny dependency-free XML parser, scoped to what SVG needs.
 *
 * Runs anywhere (web worker, Node, browser) without relying on DOMParser, which
 * is unavailable in workers. It is deliberately lenient: it skips comments,
 * CDATA, processing instructions and DOCTYPE, decodes the basic entities, and
 * produces a simple element tree. It does not validate.
 */
export interface XmlNode {
    /** Local tag name, lowercased (namespace prefix stripped). */
    tag: string;
    /** Attribute map; names kept verbatim (e.g. "xlink:href"). */
    attrs: {
        [k: string]: string;
    };
    children: XmlNode[];
}
/** Parse an XML/SVG string into a root element tree (or undefined if none). */
export declare function parseXml(input: string): XmlNode | undefined;