diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/Validate.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/Validate.java
index a1f57834367e..00b6422c6983 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/Validate.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/Validate.java
@@ -20,4 +20,9 @@ public class Validate extends org.apache.commons.lang3.Validate {
       throw new IllegalArgumentException("The validated string is empty");
     }
   }
+
+  @SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
+  public static <T> T notNull(T object) {
+    return org.apache.commons.lang3.Validate.notNull(object);
+  }
 }
diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/EqualsBuilder.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/EqualsBuilder.java
index 2fd697868893..f6a0c0c337bb 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/EqualsBuilder.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/EqualsBuilder.java
@@ -8,4 +8,31 @@ package org.apache.commons.lang.builder;
  */
 @Deprecated(forRemoval = true)
 public final class EqualsBuilder extends org.apache.commons.lang3.builder.EqualsBuilder {
+  @Override
+  public EqualsBuilder append(Object lhs, Object rhs) {
+    return (EqualsBuilder)super.append(lhs, rhs);
+  }
+
+  @SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
+  public static boolean reflectionEquals(Object lhs, Object rhs) {
+    return org.apache.commons.lang3.builder.EqualsBuilder.reflectionEquals(lhs, rhs);
+  }
+
+  @Override
+  public EqualsBuilder append(int lhs, int rhs) {
+    super.append(lhs, rhs);
+    return this;
+  }
+
+  @Override
+  public EqualsBuilder append(boolean lhs, boolean rhs) {
+    super.append(lhs, rhs);
+    return this;
+  }
+
+  @Override
+  public EqualsBuilder appendSuper(boolean superEquals) {
+    super.appendSuper(superEquals);
+    return this;
+  }
 }
diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/HashCodeBuilder.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/HashCodeBuilder.java
index c00bedee7fc6..db72e5a080fc 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/HashCodeBuilder.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/HashCodeBuilder.java
@@ -22,6 +22,24 @@ public final class HashCodeBuilder extends org.apache.commons.lang3.builder.Hash
     return this;
   }
 
+  @Override
+  public HashCodeBuilder append(int value) {
+    super.append(value);
+    return this;
+  }
+
+  @Override
+  public HashCodeBuilder append(Object array) {
+    super.append(array);
+    return this;
+  }
+
+  @Override
+  public HashCodeBuilder appendSuper(final int superHashCode) {
+    super.appendSuper(superHashCode);
+    return this;
+  }
+
   public static int reflectionHashCode(Object object) {
     return reflectionHashCode(17, 37, object, false);
   }
diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/ReflectionToStringBuilder.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/ReflectionToStringBuilder.java
index 613602aad265..ce5e495d86a3 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/ReflectionToStringBuilder.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/builder/ReflectionToStringBuilder.java
@@ -40,4 +40,9 @@ public final class ReflectionToStringBuilder extends org.apache.commons.lang3.bu
                                        boolean excludeNullValues) {
     super(object, style, buffer, reflectUpToClass, outputTransients, outputStatics, excludeNullValues);
   }
+
+  @SuppressWarnings("MethodOverridesStaticMethodOfSuperclass")
+  public static String toString(Object object, ToStringStyle style) {
+    return org.apache.commons.lang3.builder.ReflectionToStringBuilder.toString(object, style);
+  }
 }
diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/text/StrBuilder.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/text/StrBuilder.java
index 25a98d1bed67..a8ae6711758f 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/text/StrBuilder.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/text/StrBuilder.java
@@ -18,4 +18,22 @@ public final class StrBuilder extends org.apache.commons.lang3.text.StrBuilder {
   public StrBuilder(String str) {
     super(str);
   }
+
+  @Override
+  public StrBuilder append(String str) {
+    super.append(str);
+    return this;
+  }
+
+  @Override
+  public StrBuilder append(int v) {
+    super.append(v);
+    return this;
+  }
+
+  @Override
+  public StrBuilder appendNewLine() {
+    super.appendNewLine();
+    return this;
+  }
 }
diff --git a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/time/DateUtils.java b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/time/DateUtils.java
index 2440b41f4e61..6913b09955dc 100644
--- a/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/time/DateUtils.java
+++ b/platform/util/commons-lang-v2-shim/src/org/apache/commons/lang/time/DateUtils.java
@@ -1,6 +1,9 @@
 // Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.apache.commons.lang.time;
 
+import java.util.Calendar;
+import java.util.Date;
+
 /**
  * @deprecated To continue using the functionality offered by commons-lang2,
  * please consider migrating to either the commons-lang3 or commons-text libraries and bundling them with your plugin.
@@ -8,4 +11,10 @@ package org.apache.commons.lang.time;
  */
 @Deprecated(forRemoval = true)
 public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
+  public static Date add(final Date date, final int calendarField, final int amount) {
+    final Calendar c = Calendar.getInstance();
+    c.setTime(date);
+    c.add(calendarField, amount);
+    return c.getTime();
+  }
 }