Bug 46763 Introduce Factory: uses NLS key that doesn't exist
N20031114 Key use: Refactoring.syntax_error Please use the NLS search facility to make sure your NLS stuff is correct. To enable NLS search go to Search Dialog->Customize and check NLS page.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/ChangeTypeAction.java
setEnabled(SelectionConverter.getInputAsCompilationUnit(fEditor) != null);
	}
	/**
	 * Creates a new <code>ChangeTypeAction</code>. The action requires
	 * that the selection provided by the site's selection provider is of type <code>
	 * org.eclipse.jface.viewers.IStructuredSelection</code>.
	 * 
	 * @param site the site providing context information for this action
	 */
	public ChangeTypeAction(IWorkbenchSite site) {
		super(site);
		setText(RefactoringMessages.getString("ChangeTypeAction.label")); 
		setToolTipText(RefactoringMessages.getString("ChangeTypeAction.tooltipText")); 
		setDescription(RefactoringMessages.getString("ChangeTypeAction.description")); 
		WorkbenchHelp.setHelp(this, IJavaHelpContextIds.CHANGE_TYPE_ACTION);
	}
	
	/* (non-Javadoc)
	 * Method declared on SelectionDispatchAction
	 */		
	public void run(ITextSelection selection) {
		if (!ActionUtil.isProcessable(getShell(), fEditor))
			return;
		try{
			ChangeTypeRefactoring refactoring= createRefactoring(SelectionConverter.getInputAsCompilationUnit(fEditor), selection);
			if (refactoring == null)
				return;
			new RefactoringStarter().activate(refactoring, createWizard(refactoring), getShell(), fDialogMessageTitle, false);
		} catch (CoreException e){
			ExceptionHandler.handle(e, fDialogMessageTitle, RefactoringMessages.getString("ChangeTypeAction.exception"));