public async Task <ExtensionFileModel> GetCurrentFileModel()
        {
            if (_dte.Solution == null || string.IsNullOrEmpty(_dte.Solution.FullName))
            {
                return(null);
            }

            string configPath = Path.ChangeExtension(_dte.Solution.FullName, Constants.EXTENSION);

            return(await ExtensionFileModel.FromFile(configPath));
        }