public LanguageServiceHost(IUnconfiguredProjectCommonServices commonServices,
Lazy <IProjectContextProvider> contextProvider,
[Import(ExportContractNames.Scopes.UnconfiguredProject)] IProjectAsynchronousTasksService tasksService,
IActiveProjectConfigurationRefreshService activeProjectConfigurationRefreshService,
LanguageServiceHandlerManager languageServiceHandlerManager,
IUnconfiguredProjectTasksService unconfiguredProjectTasksService)
: base(commonServices.ThreadingService.JoinableTaskContext)
{
_commonServices = commonServices;
_contextProvider = contextProvider;
_tasksService = tasksService;
_activeProjectConfigurationRefreshService = activeProjectConfigurationRefreshService;
_languageServiceHandlerManager = languageServiceHandlerManager;
_unconfiguredProjectTasksService = unconfiguredProjectTasksService;
_evaluationSubscriptionLinks = new List <IDisposable>();
_designTimeBuildSubscriptionLinks = new List <IDisposable>();
_projectConfigurationsWithSubscriptions = new HashSet <ProjectConfiguration>();
}