/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.logging.log4j.core.config.plugins;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Annotation that identifies a Class as a Plugin.
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface Plugin {
    /**
     * Value of the elementType when none is specified.
     */
    String EMPTY = "";

    String name();
    String category();
    String elementType() default EMPTY;
    boolean printObject() default false;
    boolean deferChildren() default false;
}

@@ -1011,16 +1011,63 @@
 arget;%0A%0A
+import org.apache.logging.log4j.util.Strings;%0A%0A
 /**%0A * A
@@ -1206,16 +1206,21 @@
 lugin %7B%0A
+    %0A
     /**%0A
@@ -1306,10 +1306,21 @@
 Y = 
-%22%22
+Strings.EMPTY
 ;%0A%0A 

Refactor magic strings into a constant.