$ git grep org.wildfly.legacy-security
connector/src/main/java/org/jboss/as/connector/subsystems/jca/JcaSubsystemAdd.java:        final boolean legacySecurityAvailable = context.hasOptionalCapability("org.wildfly.legacy-security", null, null);
ee-feature-pack/galleon-shared/src/main/resources/modules/system/layers/base/org/jboss/as/weld/main/module.xml:        <!-- Only needed if capability 'org.wildfly.legacy-security.server-security-manager' is present -->
ee/src/main/java/org/jboss/as/ee/subsystem/EeCapabilities.java:    public static final String LEGACY_JACC_CAPABILITY = "org.wildfly.legacy-security.jacc";
ejb3/src/main/java/org/jboss/as/ejb3/security/EJBSecurityViewConfigurator.java:        return support.hasCapability("org.wildfly.legacy-security");
ejb3/src/main/java/org/jboss/as/ejb3/subsystem/EJB3SubsystemAdd.java:    private static final String LEGACY_JACC_CAPABILITY = "org.wildfly.legacy-security.jacc";
iiop-openjdk/src/main/java/org/wildfly/iiop/openjdk/Capabilities.java:    public static final String LEGACY_SECURITY = "org.wildfly.legacy-security";
messaging-activemq/subsystem/src/main/java/org/wildfly/extension/messaging/activemq/MessagingSubsystemAdd.java:                processorTarget.addDeploymentProcessor(MessagingExtension.SUBSYSTEM_NAME, Phase.PARSE, Phase.PARSE_RESOURCE_DEF_ANNOTATION_JMS_CONNECTION_FACTORY, new JMSConnectionFactoryDefinitionAnnotationProcessor(MessagingServices.capabilityServiceSupport.hasCapability("org.wildfly.legacy-security")));
security/subsystem/src/main/java/org/jboss/as/security/SecuritySubsystemRootResourceDefinition.java:    private static final RuntimeCapability<Void> SECURITY_SUBSYSTEM = RuntimeCapability.Builder.of("org.wildfly.legacy-security").build();
security/subsystem/src/main/java/org/jboss/as/security/SecuritySubsystemRootResourceDefinition.java:    private static final RuntimeCapability<Void> SERVER_SECURITY_MANAGER = RuntimeCapability.Builder.of("org.wildfly.legacy-security.server-security-manager")
security/subsystem/src/main/java/org/jboss/as/security/SecuritySubsystemRootResourceDefinition.java:    private static final RuntimeCapability<Void> SUBJECT_FACTORY_CAP = RuntimeCapability.Builder.of("org.wildfly.legacy-security.subject-factory")
security/subsystem/src/main/java/org/jboss/as/security/SecuritySubsystemRootResourceDefinition.java:    private static final RuntimeCapability<Void> JACC_CAPABILITY = RuntimeCapability.Builder.of("org.wildfly.legacy-security.jacc")
security/subsystem/src/main/java/org/jboss/as/security/SecuritySubsystemRootResourceDefinition.java:    private static final RuntimeCapability<Void> JACC_CAPABILITY_TOMBSTONE = RuntimeCapability.Builder.of("org.wildfly.legacy-security.jacc.tombstone")
undertow/src/main/java/org/wildfly/extension/undertow/Capabilities.java:    public static final String REF_LEGACY_SECURITY = "org.wildfly.legacy-security";
undertow/src/main/java/org/wildfly/extension/undertow/deployment/UndertowDeploymentProcessor.java:    private static final String LEGACY_JACC_CAPABILITY_NAME = "org.wildfly.legacy-security.jacc";
webservices/server-integration/src/main/java/org/jboss/as/webservices/service/EndpointService.java:    private static final String LEGACY_SECURITY_CAPABILITY = "org.wildfly.legacy-security";