@@ -0,0 +1,773 @@
+/*%0A * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others.  All rights reserved.%0A *%0A * This program and the accompanying materials are made available under the%0A * terms of the Eclipse Public License v1.0 which accompanies this distribution,%0A * and is available at http://www.eclipse.org/legal/epl-v10.html%0A */%0Apackage org.opendaylight.yangtools.util;%0A%0Aimport java.io.Serial;%0Aimport java.io.Serializable;%0A%0A/**%0A * Serialization proxy for %7B@link SingletonSet%7D.%0A */%0Afinal class SSv1 implements Serializable %7B%0A    @Serial%0A    private static final long serialVersionUID = 1;%0A%0A    private final Object element;%0A%0A    SSv1(final Object element) %7B%0A        this.element = element;%0A    %7D%0A%0A    @Serial%0A    private Object readResolve() %7B%0A        return SingletonSet.of(element);%0A    %7D%0A%7D%0A

Add SSv1