public async Task AddItemAsync(Project project, INavigateToSearchResult result, CancellationToken cancellationToken)
{
var node = await _graphBuilder.CreateNodeAsync(result, cancellationToken).ConfigureAwait(false);
if (node != null)
{
// _context.OutputNodes is not threadsafe. So ensure only one navto callback can mutate it at a time.
lock (this)
_context.OutputNodes.Add(node);
}
}