@@ -0,0 +1,1999 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements. See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache license, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License. You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the license for the specific language governing permissions and%0A * limitations under the license.%0A */%0A%0Apackage org.apache.logging.slf4j;%0A%0Aimport java.util.Iterator;%0A%0Aimport org.slf4j.Marker;%0A%0A/**%0A * Test Marker that may contain no reference/parent Markers.%0A * @issue LOG4J2-793%0A */%0Apublic class CustomFlatMarker implements Marker %7B%0A    private static final long serialVersionUID = -4115520883240247266L;%0A%0A    private final String name;%0A%0A    public CustomFlatMarker(final String name) %7B%0A        this.name = name;%0A    %7D%0A%0A    @Override%0A    public String getName() %7B%0A        return name;%0A    %7D%0A%0A    @Override%0A    public void add(final Marker reference) %7B%0A        throw new UnsupportedOperationException();%0A    %7D%0A%0A    @Override%0A    public boolean remove(final Marker reference) %7B%0A        throw new UnsupportedOperationException();%0A    %7D%0A%0A    @Override%0A    public boolean hasChildren() %7B%0A        return hasReferences();%0A    %7D%0A%0A    @Override%0A    public boolean hasReferences() %7B%0A        return false;%0A    %7D%0A%0A    @Override%0A    public Iterator%3CMarker%3E iterator() %7B%0A        throw new UnsupportedOperationException();%0A    %7D%0A%0A    @Override%0A    public boolean contains(final Marker other) %7B%0A        return false;%0A    %7D%0A%0A    @Override%0A    public boolean contains(final String name) %7B%0A        return false;%0A    %7D%0A%7D%0A

Add custom SLF4J marker to demonstrate LOG4J2-793.