protected override Task <SyntaxContext> CreateContextAsync( Document document, int position, bool usePartialSemantic, CancellationToken cancellationToken ) => ImportCompletionProviderHelper.CreateContextAsync( document, position, usePartialSemantic, cancellationToken );
protected override ImmutableArray <string> GetImportedNamespaces( SyntaxNode location, SemanticModel semanticModel, CancellationToken cancellationToken) => ImportCompletionProviderHelper.GetImportedNamespaces(location, semanticModel);
protected override Task <ImmutableArray <string> > GetImportedNamespacesAsync( SyntaxContext syntaxContext, CancellationToken cancellationToken) => ImportCompletionProviderHelper.GetImportedNamespacesAsync(syntaxContext, cancellationToken);