public Task <ImmutableArray <ActiveStatementTrackingSpan> > GetLatestSpansAsync(Document document, ITextSnapshot snapshot, CancellationToken cancellationToken) => _session?.GetLatestSpansAsync(document, snapshot, cancellationToken) ?? Task.FromResult(ImmutableArray <ActiveStatementTrackingSpan> .Empty);
public Task <ImmutableArray <ActiveStatementTrackingSpan> > GetLatestSpansAsync(Document document, ITextSnapshot snapshot, CancellationToken cancellationToken) => _session?.GetLatestSpansAsync(document, snapshot, cancellationToken) ?? SpecializedTasks.EmptyImmutableArray <ActiveStatementTrackingSpan>();