private ISet <INamespaceSymbol> GetNamespacesInScope(CancellationToken cancellationToken)
{
// Add all the namespaces brought in by imports/usings.
var set = _owner.GetImportNamespacesInScope(_semanticModel, _node, cancellationToken);
// Also add all the namespaces we're contained in. We don't want
// to add imports for these namespaces either.
for (var containingNamespace = _semanticModel.GetEnclosingNamespace(_node.SpanStart, cancellationToken);
containingNamespace != null;
containingNamespace = containingNamespace.ContainingNamespace)
{
set.Add(MapToCompilationNamespaceIfPossible(containingNamespace));
}
return(set);
}
