private string AddServices(string fileData, IEntityAdditionOptions options, string projectFolder)
        {
            string contractNamespace = GetContractNamespace(options, projectFolder);

            fileData = UsingStatements.Add(fileData, contractNamespace);

            string projectNamespace = GetProjectNamespace(options, projectFolder);

            fileData = UsingStatements.Add(fileData, projectNamespace);

            // Insert into Startup-Method
            StringEditor stringEditor       = new StringEditor(fileData);
            string       addScopedStatement = GetAddScopedStatement(options.EntityNamePlural, projectFolder);

            stringEditor.NextThatContains($"void Startup{options.Domain}");
            stringEditor.Next();
            stringEditor.NextThatContains("}");

            if (!stringEditor.GetLineAtOffset(-1).Trim().Equals("{"))
            {
                stringEditor.InsertNewLine();
            }
            stringEditor.InsertLine($"            // {options.EntityNamePlural}");
            stringEditor.InsertLine(addScopedStatement);

            return(stringEditor.GetText());
        }