Microsoft.CodeAnalysis.AddImport.IAddImportsService.AddImports(Microsoft.CodeAnalysis.Compilation, Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.SyntaxNode, System.Collections.Generic.IEnumerable<Microsoft.CodeAnalysis.SyntaxNode>, Microsoft.CodeAnalysis.Editing.SyntaxGenerator, Microsoft.CodeAnalysis.AddImport.AddImportPlacementOptions, System.Threading.CancellationToken)