Polish formatting

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/filewatch/ChangedFiles.java

@@ -86,4 +86,5 @@ public final class ChangedFiles implements Iterable<ChangedFile> {
 	public String toString() {
 		return this.sourceFolder + " " + this.files;
 	}
+
 }

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/livereload/LiveReloadServer.java

@@ -249,6 +249,7 @@ public class LiveReloadServer {
 
 	/**
 	 * {@link Runnable} to handle a single connection.
+	 *
 	 * @see Connection
 	 */
 	private class ConnectionHandler implements Runnable {

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/RestartScopeInitializer.java

@@ -63,6 +63,7 @@ public class RestartScopeInitializer
 		public String getConversationId() {
 			return null;
 		}
+
 	}
 
 }

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/restart/classloader/ClassLoaderFileURLStreamHandler.java

@@ -65,4 +65,5 @@ public class ClassLoaderFileURLStreamHandler extends URLStreamHandler {
 		}
 
 	}
+
 }

spring-boot-devtools/src/main/java/org/springframework/boot/devtools/tunnel/client/TunnelClient.java

@@ -198,6 +198,7 @@ public class TunnelClient implements SmartInitializingSingleton {
 		protected void stopAcceptingConnections() {
 			this.acceptConnections = false;
 		}
+
 	}
 
 	/**
@@ -221,5 +222,7 @@ public class TunnelClient implements SmartInitializingSingleton {
 				this.closed = true;
 			}
 		}
+
 	}
+
 }