All classes that implement SchemaExtensionPluginInterface in GraphQL 8.4
- class \Drupal\graphql\Plugin\GraphQL\SchemaExtension\SdlSchemaExtensionPluginBase implements ContainerFactoryPluginInterface, SchemaExtensionPluginInterface
- class \Drupal\graphql_composable\Plugin\GraphQL\SchemaExtension\ComposableSchemaExampleExtension
- class \Drupal\graphql_examples\Plugin\GraphQL\SchemaExtension\ExampleSchemaExtension