App\Entity\Configuration:
    configuration_template (template):
        type: !php/enum App\Enum\ConfigurationType::INSTANCE

    features (extends configuration_template):
        configuration:
            services:
                servicesEnabled: true
            notificationsSender:
                notificationsSenderEmail: info@example.com 
                notificationsSenderName: Contact
            contact:
                contactFormEnabled: false
                contactFormEmail: info@example.com
            groups:
                groupsEnabled: false
                groupsCreationMode: !php/const App\Message\Command\Admin\ParametersFormCommand::ONLY_ADMIN
                groupsPaying: false
            confidentiality:
                confidentialityConversationAdminAccess: false