private async Task EnsureNuGetAndVsProjectAdapterCacheAsync()
        {
            await _initLock.ExecuteNuGetOperationAsync(async() =>
            {
                await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();

                IVsSolution ivsSolution = await _asyncVSSolution.GetValueAsync();
                if (!_cacheInitialized && IsSolutionOpenFromVSSolution(ivsSolution))
                {
                    try
                    {
                        if (await _featureFlagService.IsFeatureEnabledAsync(NuGetFeatureFlagConstants.NuGetSolutionCacheInitilization))
                        {
                            foreach (var hierarchy in VsHierarchyUtility.GetAllLoadedProjects(ivsSolution))
                            {
                                try
                                {
                                    var vsProjectAdapter = await _vsProjectAdapterProvider.CreateAdapterForFullyLoadedProjectAsync(hierarchy);
                                    await AddVsProjectAdapterToCacheAsync(vsProjectAdapter);
                                }
                                catch (Exception e)
                                {
                                    // Ignore failed projects.
                                    _logger.LogWarning($"The project {VsHierarchyUtility.GetProjectPath(hierarchy)} failed to initialize as a NuGet project.");
                                    _logger.LogError(e.ToString());
                                }

                                // Consider that the cache is initialized only when there are any projects to add.
                                _cacheInitialized = true;
                            }
                        }
                        else
                        {
                            var dte = await _dte.GetValueAsync();

                            foreach (var project in await EnvDTESolutionUtility.GetAllEnvDTEProjectsAsync(dte))
                            {
                                try
                                {
                                    var vsProjectAdapter = await _vsProjectAdapterProvider.CreateAdapterForFullyLoadedProjectAsync(project);
                                    await AddVsProjectAdapterToCacheAsync(vsProjectAdapter);
                                }
                                catch (Exception e)
                                {
                                    // Ignore failed projects.
                                    _logger.LogWarning($"The project {project.Name} failed to initialize as a NuGet project.");
                                    _logger.LogError(e.ToString());
                                }

                                // Consider that the cache is initialized only when there are any projects to add.
                                _cacheInitialized = true;
                            }
                        }

                        await SetDefaultProjectNameAsync();
                    }
                    catch
                    {
                        _projectSystemCache.Clear();
                        _cacheInitialized       = false;
                        DefaultNuGetProjectName = null;

                        throw;
                    }
                }
            }, CancellationToken.None);
        }