assertEquals("http://maven.apache.org/POM/4.0.0", node.getNamespaceUri());
        assertEquals("m", node.getPrefix());
        assertEquals("configuration", node.getName());
        assertEquals(1, node.getChildren().size());
        XmlNode myConfig = node.getChildren().get(0);
        assertEquals("http://fabric8.io/fabric8-maven-plugin", myConfig.getNamespaceUri());
        assertEquals("", myConfig.getPrefix());

            br.mark(BUFFER_SIZE);
            XMLStreamReader xsr = XMLInputFactory.newFactory().createXMLStreamReader(br);
            xsr.nextTag();
            String nsUri = xsr.getNamespaceURI();
            try (BufferedReader br2 = reset(readerSupplier, br)) {
                xsr = XMLInputFactory.newFactory().createXMLStreamReader(br2);
                return build(source, nsUri, xsr);
            }

        handleCiFriendlyVersion(context, model);
    }

    //
    // Infer modelVersion from namespace URI
    //
    void handleModelVersion(Model model) {
        String namespace = model.getDelegate().getNamespaceUri();
        if (model.getModelVersion() == null && namespace != null && namespace.startsWith(NAMESPACE_PREFIX)) {
            model.setModelVersion(namespace.substring(NAMESPACE_PREFIX.length()));
        }
    }

        private final Node doc;

        public DefaultNamespaceContext(final Node doc) {
            this.doc = doc;
        }

        @Override
        public String getNamespaceURI(final String prefix) {
            return getNamespaceForPrefix(prefix, doc);
        }

        private String getNamespaceForPrefix(final String prefix, final Node namespaceContext) {