Bug 54470 Eclipse should disallow usage of types defined in default package
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
fEnclosingTypeSelection.setLabelText(NewWizardMessages.getString("NewTypeWizardPage.enclosing.selection.label")); 
		
		fEnclosingTypeDialogField= new StringButtonDialogField(adapter);
		fEnclosingTypeDialogField.setDialogFieldListener(adapter);
		fEnclosingTypeDialogField.setButtonLabel(NewWizardMessages.getString("NewTypeWizardPage.enclosing.button")); 
		
		fTypeNameDialogField= new StringDialogField();
		fTypeNameDialogField.setDialogFieldListener(adapter);
		fTypeNameDialogField.setLabelText(NewWizardMessages.getString("NewTypeWizardPage.typename.label")); 
		
		fSuperClassDialogField= new StringButtonDialogField(adapter);
		fSuperClassDialogField.setDialogFieldListener(adapter);
		fSuperClassDialogField.setLabelText(NewWizardMessages.getString("NewTypeWizardPage.superclass.label")); 
		fSuperClassDialogField.setButtonLabel(NewWizardMessages.getString("NewTypeWizardPage.superclass.button")); 
		
		String[] addButtons= new String[] {
			 NewWizardMessages.getString("NewTypeWizardPage.interfaces.add"), 
			 null,
			 NewWizardMessages.getString("NewTypeWizardPage.interfaces.remove") 
		}; 
		fSuperInterfacesDialogField= new ListDialogField(adapter, addButtons, new InterfacesListLabelProvider());
		fSuperInterfacesDialogField.setDialogFieldListener(adapter);
		String interfaceLabel= fIsClass ? NewWizardMessages.getString("NewTypeWizardPage.interfaces.class.label") : NewWizardMessages.getString("NewTypeWizardPage.interfaces.ifc.label"); 
		fSuperInterfacesDialogField.setLabelText(interfaceLabel);
		fSuperInterfacesDialogField.setRemoveButtonIndex(2);
	
		String[] buttonNames1= new String[] {
			 NewWizardMessages.getString("NewTypeWizardPage.modifiers.public"), 
			 NewWizardMessages.getString("NewTypeWizardPage.modifiers.default"), 
			 NewWizardMessages.getString("NewTypeWizardPage.modifiers.private"),