/**
* Generator corresponding to an {@code input} or an {@code output} statement.
*/
-class OperationContainerGenerator extends AbstractCompositeGenerator<SchemaTreeEffectiveStatement<?>> {
+class OperationContainerGenerator
+ extends CompositeSchemaTreeGenerator<SchemaTreeEffectiveStatement<?>, OperationContainerGenerator> {
private final ConcreteType baseInterface;
OperationContainerGenerator(final InputEffectiveStatement statement, final AbstractCompositeGenerator<?> parent) {