Microsoft.CodeAnalysis.LegacySolutionEvents.IRemoteLegacySolutionEventsAggregationService.OnWorkspaceChangedAsync(Microsoft.CodeAnalysis.Checksum, Microsoft.CodeAnalysis.Checksum, Microsoft.CodeAnalysis.WorkspaceChangeKind, Microsoft.CodeAnalysis.ProjectId, Microsoft.CodeAnalysis.DocumentId, System.Threading.CancellationToken)