string RetrieveBackingStore (MonoDevelop.Refactoring.RefactoringOptions options, MonoDevelop.Refactoring.INRefactoryASTProvider astProvider, MonoDevelop.Projects.Dom.IProperty property)
		{
			ICSharpCode.NRefactory.Ast.CompilationUnit compilationUnit = astProvider.ParseFile (options.Document.Editor.Text);
			PropertyVisitor visitor = new PropertyVisitor (property);
			compilationUnit.AcceptVisitor (visitor, null);
			return visitor.BackingStoreName;
		}