13 files declare their use of SchemaImageBase in Schema.org Metatag 8

SchemaArticleImage.php in schema_article/src/Plugin/metatag/Tag/SchemaArticleImage.php

SchemaBookImage.php in schema_book/src/Plugin/metatag/Tag/SchemaBookImage.php

SchemaEventImage.php in schema_event/src/Plugin/metatag/Tag/SchemaEventImage.php

SchemaHowToImage.php in schema_how_to/src/Plugin/metatag/Tag/SchemaHowToImage.php

SchemaMetatagTestImage.php in tests/modules/schema_metatag_test/src/Plugin/metatag/Tag/SchemaMetatagTestImage.php

SchemaMovieImage.php in schema_movie/src/Plugin/metatag/Tag/SchemaMovieImage.php

SchemaOrganizationImage.php in schema_organization/src/Plugin/metatag/Tag/SchemaOrganizationImage.php

SchemaOrganizationLogo.php in schema_organization/src/Plugin/metatag/Tag/SchemaOrganizationLogo.php

SchemaPersonImage.php in schema_person/src/Plugin/metatag/Tag/SchemaPersonImage.php

SchemaPlaceImage.php in schema_place/src/Plugin/metatag/Tag/SchemaPlaceImage.php

SchemaProductImage.php in schema_product/src/Plugin/metatag/Tag/SchemaProductImage.php

SchemaRecipeImage.php in schema_recipe/src/Plugin/metatag/Tag/SchemaRecipeImage.php

SchemaServiceImage.php in schema_service/src/Plugin/metatag/Tag/SchemaServiceImage.php