app/code/Magento/Backend/App/ConfigInterface.php

.../Magento/Backend/Block/Widget/Button/ContextInterface.php

.../Magento/Backend/Block/Widget/Button/ToolbarInterface.php

...ckend/Block/Widget/Grid/Column/Filter/FilterInterface.php

...d/Block/Widget/Grid/Column/Renderer/RendererInterface.php

...ode/Magento/Backend/Block/Widget/Grid/ExportInterface.php

...t/Grid/Massaction/Item/Additional/AdditionalInterface.php

app/code/Magento/Backend/Block/Widget/Tab/TabInterface.php

app/code/Magento/Backend/Helper/Dashboard/Data.php

...agento/Backend/Model/Auth/Credential/StorageInterface.php

app/code/Magento/Backend/Model/Auth/StorageInterface.php

...ento/Backend/Model/Widget/Grid/Row/GeneratorInterface.php

...ode/Magento/Backend/Model/Widget/Grid/TotalsInterface.php

app/code/Magento/Bundle/Model/Product/OptionList.php

...Magento/Bundle/Test/Unit/Model/Product/OptionListTest.php

...Magento/Catalog/Api/Data/ProductCustomOptionInterface.php

app/code/Magento/Catalog/Model/Product.php

app/code/Magento/Catalog/Model/Product/Option.php

app/code/Magento/Catalog/Model/ProductRepository.php

app/code/Magento/Catalog/Test/Unit/Model/ProductTest.php