Polishing

spring-web/src/main/java/org/springframework/http/converter/ResourceRegionHttpMessageConverter.java

@@ -104,7 +104,6 @@ public class ResourceRegionHttpMessageConverter extends AbstractGenericHttpMessa
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	protected void writeInternal(Object object, @Nullable Type type, HttpOutputMessage outputMessage)
 			throws IOException, HttpMessageNotWritableException {
 
@@ -112,6 +111,7 @@ public class ResourceRegionHttpMessageConverter extends AbstractGenericHttpMessa
 			writeResourceRegion(resourceRegion, outputMessage);
 		}
 		else {
+			@SuppressWarnings("unchecked")
 			Collection<ResourceRegion> regions = (Collection<ResourceRegion>) object;
 			if (regions.size() == 1) {
 				writeResourceRegion(regions.iterator().next(), outputMessage);

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/MvcUriComponentsBuilderTests.java

@@ -864,12 +864,14 @@ public class MvcUriComponentsBuilderTests {
 		}
 	}
 
+
 	interface HelloInterface {
 
 		@GetMapping("/hello/{name}")
 		ResponseEntity<String> get(@PathVariable String name);
 	}
 
+
 	@Controller
 	static class HelloController implements HelloInterface {
 
@@ -877,7 +879,6 @@ public class MvcUriComponentsBuilderTests {
 		public ResponseEntity<String> get(String name) {
 			return ResponseEntity.ok("Hello " + name);
 		}
-
 	}
 
 }