Add @SuppressWarnings(unchecked, rawtypes) on functions in deprecated class

Closes gh-18412

Signed-off-by: Bae Jihong <dasog@naver.com>

access/src/main/java/org/springframework/security/access/prepost/PrePostAdviceReactiveMethodInterceptor.java

@@ -145,6 +145,7 @@ public class PrePostAdviceReactiveMethodInterceptor implements MethodInterceptor
 			.map((r) -> (attr != null) ? this.postAdvice.after(auth, invocation, attr, r) : r));
 	}
 
+	@SuppressWarnings("unchecked")
 	private static <T extends Publisher<?>> @Nullable T proceed(final MethodInvocation invocation) {
 		try {
 			return (T) invocation.proceed();

access/src/main/java/org/springframework/security/acls/afterinvocation/AclEntryAfterInvocationCollectionFilteringProvider.java

@@ -111,6 +111,7 @@ public class AclEntryAfterInvocationCollectionFilteringProvider extends Abstract
 		return returnedObject;
 	}
 
+	@SuppressWarnings({ "unchecked", "rawtypes" })
 	private Filterer getFilterer(Object returnedObject) {
 		if (returnedObject instanceof Collection) {
 			return new CollectionFilterer((Collection) returnedObject);

access/src/main/java/org/springframework/security/messaging/access/expression/MessageExpressionConfigAttribute.java

@@ -50,6 +50,7 @@ class MessageExpressionConfigAttribute implements ConfigAttribute, EvaluationCon
 	 * @param authorizeExpression the {@link Expression} to use. Cannot be null
 	 * @param matcher the {@link MessageMatcher} used to match the messages.
 	 */
+	@SuppressWarnings("unchecked")
 	MessageExpressionConfigAttribute(Expression authorizeExpression, MessageMatcher<?> matcher) {
 		Assert.notNull(authorizeExpression, "authorizeExpression cannot be null");
 		Assert.notNull(matcher, "matcher cannot be null");