Bug 76579 Formatter setup export: If file exists, overwritten w/o warning [code formatter]
On exporting java code formatter settings: If the selected file already exists, it is overwritten without warning.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/formatter/CodingStyleConfigurationBlock.java
modifyButtonPressed();
			else if (button == fDeleteButton) 
				deleteButtonPressed();
			else if (button == fNewButton)
				newButtonPressed();
			else if (button == fLoadButton)
				loadButtonPressed();
			else if (button == fRenameButton) 
				renameButtonPressed();
		}
		
		public void widgetDefaultSelected(SelectionEvent e) {
		}
		
		private void renameButtonPressed() {
			if (!(fProfileManager.getSelected() instanceof CustomProfile)) return;
			final CustomProfile profile= (CustomProfile)fProfileManager.getSelected();
			final RenameProfileDialog renameDialog= new RenameProfileDialog(fComposite.getShell(), profile, fProfileManager);
			renameDialog.open();
		}
		
		private void modifyButtonPressed() {
			final ModifyDialog modifyDialog= new ModifyDialog(fComposite.getShell(), fProfileManager.getSelected(), fProfileManager, false);
			modifyDialog.open();
		}
		
		private void deleteButtonPressed() {
			if (MessageDialog.openQuestion(
				fComposite.getShell(), 
				FormatterMessages.getString("CodingStyleConfigurationBlock.delete_confirmation.title"),