static [UMaterialInstanceConstant](API\Runtime\Engine\Materials\UMaterialInstanceConstant) * CreateProxyMaterial ( [EGLTFJsonShadingModel](API\Plugins\GLTFExporter\Json\EGLTFJsonShadingModel) ShadingModel, [UObject](API\Runtime\CoreUObject\UObject\UObject) * Outer, [FName](API\Runtime\Core\UObject\FName) Name, EObjectFlags Flags )