code: public UNode addValueNode(String name, String value, boolean bAttribute) {
          return addChildNode(UNode.createValueNode(name, value, bAttribute));
      }
docs: Create a new VALUE node with the given name, value, and attribute flag and add it
  as a child of this node. This node must be a MAP or ARRAY. This is convenience
  method that calls {@link UNode#createValueNode(String, String, boolean)} and then
  {@link #addChildNode(UNode)}.
  
  @param name          Name of new VALUE node.
  @param value         Value of new VALUE node.
  @param bAttribute    True to mark the new VALUE node as an attribute (for XML).
  @return              New VALUE node.