diff --git a/buildSrc/src/main/java/org/springframework/build/api/ApiDiffPlugin.java b/buildSrc/src/main/java/org/springframework/build/api/ApiDiffPlugin.java
index 4946191282e..9c4258cce2e 100644
--- a/buildSrc/src/main/java/org/springframework/build/api/ApiDiffPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/build/api/ApiDiffPlugin.java
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.springframework.build.api;
 
 import java.io.File;
@@ -138,4 +139,4 @@ public class ApiDiffPlugin implements Plugin<Project> {
 		return project.file(outDir.resolve(project.getName() + ".html").toString());
 	}
 
-}
\ No newline at end of file
+}
diff --git a/buildSrc/src/main/java/org/springframework/build/hint/RuntimeHintsAgentArgumentProvider.java b/buildSrc/src/main/java/org/springframework/build/hint/RuntimeHintsAgentArgumentProvider.java
index 1ad9405e1ae..2a7169fd885 100644
--- a/buildSrc/src/main/java/org/springframework/build/hint/RuntimeHintsAgentArgumentProvider.java
+++ b/buildSrc/src/main/java/org/springframework/build/hint/RuntimeHintsAgentArgumentProvider.java
@@ -16,14 +16,14 @@
 
 package org.springframework.build.hint;
 
+import java.util.Collections;
+
 import org.gradle.api.file.ConfigurableFileCollection;
 import org.gradle.api.provider.SetProperty;
 import org.gradle.api.tasks.Classpath;
 import org.gradle.api.tasks.Input;
 import org.gradle.process.CommandLineArgumentProvider;
 
-import java.util.Collections;
-
 /**
  * Argument provider for registering the runtime hints agent with a Java process.
  */
@@ -45,4 +45,4 @@ public interface RuntimeHintsAgentArgumentProvider extends CommandLineArgumentPr
         getExcludedPackages().get().forEach(packageName -> packages.append('-').append(packageName).append(','));
         return Collections.singleton("-javaagent:" + getAgentJar().getSingleFile() + "=" + packages);
     }
-}
\ No newline at end of file
+}
diff --git a/buildSrc/src/main/java/org/springframework/build/optional/OptionalDependenciesPlugin.java b/buildSrc/src/main/java/org/springframework/build/optional/OptionalDependenciesPlugin.java
index 3ec751c6457..89475866612 100644
--- a/buildSrc/src/main/java/org/springframework/build/optional/OptionalDependenciesPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/build/optional/OptionalDependenciesPlugin.java
@@ -53,4 +53,4 @@ public class OptionalDependenciesPlugin implements Plugin<Project> {
 		});
 	}
 
-}
\ No newline at end of file
+}
diff --git a/buildSrc/src/main/java/org/springframework/build/shadow/ShadowSource.java b/buildSrc/src/main/java/org/springframework/build/shadow/ShadowSource.java
index de14fd69101..ed30b8609ca 100644
--- a/buildSrc/src/main/java/org/springframework/build/shadow/ShadowSource.java
+++ b/buildSrc/src/main/java/org/springframework/build/shadow/ShadowSource.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * 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
+ *
+ *      https://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.springframework.build.shadow;
 
 import java.io.File;