@NonNull
    @Override
    public String toString() {
        return (namespace == null ? "" : namespace + ":") + name +
            (value == null ? "" : ":'" + value + "'") +
            (childrenMap == null ? "" : "[" + childrenMap.values() + "]");
    }
Sets the textual value of this node
main/src/main/java/cgeo/geocaching/utils/xml/XmlNode.java