diff --git a/com.osgifx.console.agent.api/src/main/java/com/osgifx/console/agent/dto/XHeapUsageDTO.java b/com.osgifx.console.agent.api/src/main/java/com/osgifx/console/agent/dto/XHeapUsageDTO.java
index 51ee5237..0abafb38 100644
--- a/com.osgifx.console.agent.api/src/main/java/com/osgifx/console/agent/dto/XHeapUsageDTO.java
+++ b/com.osgifx.console.agent.api/src/main/java/com/osgifx/console/agent/dto/XHeapUsageDTO.java
@@ -1,15 +1,15 @@
 /*******************************************************************************
- * Copyright 2021-2024 Amit Kumar Mondal
+ * COPYRIGHT 2021-2024 AMIT KUMAR MONDAL
  *
  * Licensed 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
+ * 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
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  * License for the specific language governing permissions and limitations under
  * the License.
  ******************************************************************************/
@@ -17,28 +17,60 @@
 
 import org.osgi.dto.DTO;
 
+/**
+ * Data Transfer Object (DTO) representing heap usage information.
+ */
 public class XHeapUsageDTO extends DTO {
 
-    public long                      uptime;
-    public XMemoryUsage              memoryUsage;
-    public XMemoryPoolMXBean[]       memoryPoolBeans;
+    /** Uptime of the Java virtual machine. */
+    public long uptime;
+
+    /** Memory usage details. */
+    public XMemoryUsage memoryUsage;
+
+    /** Memory pool management beans. */
+    public XMemoryPoolMXBean[] memoryPoolBeans;
+
+    /** Garbage collector beans. */
     public XGarbageCollectorMXBean[] gcBeans;
 
+    /**
+     * Inner class representing memory usage details.
+     */
     public static class XMemoryUsage extends DTO {
+        /** Used memory. */
         public long used;
+
+        /** Maximum available memory. */
         public long max;
     }
 
+    /**
+     * Inner class representing memory pool management beans.
+     */
     public static class XMemoryPoolMXBean extends DTO {
-        public String       type;
-        public String       name;
+        /** Type of memory pool. */
+        public String type;
+
+        /** Name of memory pool. */
+        public String name;
+
+        /** Memory usage details for the pool. */
         public XMemoryUsage memoryUsage;
     }
 
+    /**
+     * Inner class representing garbage collector beans.
+     */
     public static class XGarbageCollectorMXBean extends DTO {
+        /** Name of the garbage collector. */
         public String name;
-        public long   collectionCount;
-        public long   collectionTime;
+
+        /** Number of collections performed by the garbage collector. */
+        public long collectionCount;
+
+        /** Total time spent in garbage collection in milliseconds. */
+        public long collectionTime;
     }
 
 }