@Override
	public Namespace getNamespace() {
		return program.getGlobalNamespace();
	}
Returns the last Namespace tree node in the given path of namespaces.  Each Namespace in the
list from 0 to n will be used to find the last tree node, starting at the given parent
node. 

@param parentNode the node at which to start the search
@param namespaces the list of namespaces to traverse.
@param loadChildren true to load children if they have not been loaded
@param monitor the task monitor
@return the namespace node or null if it is not open in the tree
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/SymbolCategoryNode.java