Add known difference for field accessibility going to private
diff --git a/clirr-ignored.xml b/clirr-ignored.xml
new file mode 100644
index 0000000..d57e5cb
--- /dev/null
+++ b/clirr-ignored.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<!--
+   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.
+-->
+
+<differences>
+    <difference>
+        <className>**/org/apache/commons/dbutils/AbstractQueryRunner</className>
+        <differenceType>6010</differenceType>
+        <field>ds</field>
+    </difference>
+</differences>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 9ed67b9..6ae795b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -286,6 +286,14 @@
             <excludeFilterFile>sb-excludes.xml</excludeFilterFile>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>org.codehaus.mojo</groupId>
+          <artifactId>clirr-maven-plugin</artifactId>
+          <version>${commons.clirr.version}</version>
+          <configuration>
+            <ignoredDifferencesFile>${basedir}/clirr-ignored.xml</ignoredDifferencesFile>
+          </configuration>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
@@ -372,6 +380,10 @@
           </rulesets>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>clirr-maven-plugin</artifactId>
+      </plugin>
     </plugins>
   </reporting>
   <profiles>
diff --git a/src/main/java/org/apache/commons/dbutils/AbstractQueryRunner.java b/src/main/java/org/apache/commons/dbutils/AbstractQueryRunner.java
index b02bb38..f7e5faa 100644
--- a/src/main/java/org/apache/commons/dbutils/AbstractQueryRunner.java
+++ b/src/main/java/org/apache/commons/dbutils/AbstractQueryRunner.java
@@ -48,10 +48,8 @@
 
     /**
      * The DataSource to retrieve connections from.
-     * @deprecated Access to this field should be through {@link #getDataSource()}.
      */
-    @Deprecated
-    protected final DataSource ds;
+    private final DataSource ds;
 
     /**
      * Configuration to use when preparing statements.