IBinding#getAdapter cannot create an instance of PDOMBinding because the Linkage is required.  This
	// utility method uses #getAdapter to see if an instance has already been created.  If not then a new
	// is created and stored in the AST binding.
IBinding#getAdapter cannot create an instance of PDOMBinding because the Linkage is required.  This
	// utility method uses #getAdapter to see if an instance has already been created.  If not then a new
	// is created and stored in the AST binding. | QtPDOMLinkage.java