KUrl url("file:///home/user/documents"); url.setFileName("report.docx");
KUrl url("http://example.com/"); url.setFileName("download"); url.addQueryItem("type", "pdf");In this example, we create a KUrl object representing an HTTP URL `http://example.com/`. We then set the file name to `download` using the `setFileName` method and add a query parameter of `type=pdf` using the `addQueryItem` method. Package/Library determination: The KUrl class is part of the KIO package/library within the KDE Frameworks.