public async Task <IEnumerable <INavigableItem> > FindDefinitionsAsync(Document document, int position, CancellationToken cancellationToken)
{
var symbol = await FindSymbolAsync(document, position, cancellationToken).ConfigureAwait(false);
// realize the list here so that the consumer await'ing the result doesn't lazily cause
// them to be created on an inappropriate thread.
return(NavigableItemFactory.GetItemsfromPreferredSourceLocations(document.Project.Solution, symbol).ToList());
}