static [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * ImportMaterial ( [FDatasmithImportContext](API\Plugins\DatasmithImporter\FDatasmithImportContext) & ImportContext, [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IDatasmithBaseMaterialElement](API\Runtime\DatasmithCore\IDatasmithBaseMaterialElement) > MaterialElement, [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * ExistingMaterial )