diff --git a/nifi-commons/nifi-expression-language/src/main/java/org/apache/nifi/attribute/expression/language/evaluation/functions/CharSequenceTranslatorEvaluator.java b/nifi-commons/nifi-expression-language/src/main/java/org/apache/nifi/attribute/expression/language/evaluation/functions/CharSequenceTranslatorEvaluator.java
index 11a779e276..9a671c1fbe 100644
--- a/nifi-commons/nifi-expression-language/src/main/java/org/apache/nifi/attribute/expression/language/evaluation/functions/CharSequenceTranslatorEvaluator.java
+++ b/nifi-commons/nifi-expression-language/src/main/java/org/apache/nifi/attribute/expression/language/evaluation/functions/CharSequenceTranslatorEvaluator.java
@@ -1,3 +1,19 @@
+/*
+ * 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.nifi.attribute.expression.language.evaluation.functions;
 
 import java.util.Map;
@@ -9,49 +25,47 @@ import org.apache.nifi.attribute.expression.language.evaluation.QueryResult;
 import org.apache.nifi.attribute.expression.language.evaluation.StringEvaluator;
 import org.apache.nifi.attribute.expression.language.evaluation.StringQueryResult;
 
-public class CharSequenceTranslatorEvaluator extends StringEvaluator 
-{
+public class CharSequenceTranslatorEvaluator extends StringEvaluator {
     public static StringEvaluator jsonEscapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_JSON);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_JSON);
     }
-    
+
     public static StringEvaluator xmlEscapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_XML10);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_XML10);
     }
-    
+
     public static StringEvaluator csvEscapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_CSV);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_CSV);
     }
 
     public static StringEvaluator html3EscapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_HTML3);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_HTML3);
     }
-    
+
     public static StringEvaluator html4EscapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_HTML4);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.ESCAPE_HTML4);
     }
-    
+
     public static StringEvaluator jsonUnescapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_JSON);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_JSON);
     }
-    
+
     public static StringEvaluator xmlUnescapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_XML);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_XML);
     }
-    
+
     public static StringEvaluator csvUnescapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_CSV);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_CSV);
     }
 
     public static StringEvaluator html3UnescapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_HTML3);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_HTML3);
     }
-    
+
     public static StringEvaluator html4UnescapeEvaluator(final Evaluator<String> subject){
-    	return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_HTML4);
+      return new CharSequenceTranslatorEvaluator(subject, StringEscapeUtils.UNESCAPE_HTML4);
     }
-    
-    
+
     private final Evaluator<String> subject;
     private final CharSequenceTranslator method;
 
@@ -70,4 +84,4 @@ public class CharSequenceTranslatorEvaluator extends StringEvaluator
     public Evaluator<?> getSubjectEvaluator() {
         return subject;
     }
-}
\ No newline at end of file
+}