// Extract child element <capabilities> from <hello> with or without(fallback) the same namespace
Optional<XmlElement> capabilitiesElement = responseElement
.getOnlyChildElementWithSameNamespaceOptionally(XmlNetconfConstants.CAPABILITIES);
// Extract child element <capabilities> from <hello> with or without(fallback) the same namespace
Optional<XmlElement> capabilitiesElement = responseElement
.getOnlyChildElementWithSameNamespaceOptionally(XmlNetconfConstants.CAPABILITIES);