Polish

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.java

@@ -71,7 +71,8 @@ class CollectionBinder extends IndexedElementsBinder<Collection<Object>> {
 		}
 	}
 
-	private Collection<Object> getExistingIfPossible(Supplier<Collection<Object>> existing) {
+	private Collection<Object> getExistingIfPossible(
+			Supplier<Collection<Object>> existing) {
 		try {
 			return existing.get();
 		}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/MapBinder.java

@@ -100,7 +100,8 @@ class MapBinder extends AggregateBinder<Map<Object, Object>> {
 		}
 	}
 
-	private Map<Object, Object> getExistingIfPossible(Supplier<Map<Object, Object>> existing) {
+	private Map<Object, Object> getExistingIfPossible(
+			Supplier<Map<Object, Object>> existing) {
 		try {
 			return existing.get();
 		}