protected void PrepareMixinConfigurationWithAttributeDeclarations(params AdditionalMixinDependencyAttribute[] attributes) { var assemblyWithDeclarations = CreateAssemblyWithAdditionalAttributeDeclarations(attributes); var builder = new DeclarativeConfigurationBuilder(null); builder.AddAssembly(GetType().Assembly); builder.AddAssembly(assemblyWithDeclarations); MixinConfiguration.SetActiveConfiguration(builder.BuildConfiguration()); }