Interface XmlProducer

packages/core/ui/builder/index.ts:312–314

* Pipes and filters: * https://en.wikipedia.org/wiki/Pipeline_(software)

	 * https://en.wikipedia.org/wiki/Pipeline_(software)
	 */
	interface XmlProducer {
		pipe<Next extends XmlConsumer>(next: Next): Next;
	}

	interface XmlConsumer {
		parse(args: xml.ParserEvent);