addNewChild
Adds a new child node to this node.
Creates and adds a new child node to this node at the specified index.
Return
new child node
Parameters
role, where the node should be added
index, where the node should be added
concept, of which the new node is instance of
See also
Adds a new child node to this node.
Creates and adds a new child node to this node at the specified index.
Return
new child node
Parameters
role, where the node should be added
index within the role, where the node should be added
reference to a concept, of which the new node is instance of