Suppress NullAway warning for nullable Annotation return value

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/ReflectiveAspectJAdvisorFactory.java

@@ -17,7 +17,6 @@
 package org.springframework.aop.aspectj.annotation;
 
 import java.io.Serializable;
-import java.lang.annotation.Annotation;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -48,7 +47,6 @@ import org.springframework.aop.framework.AopConfigException;
 import org.springframework.aop.support.DefaultPointcutAdvisor;
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.core.annotation.AnnotationUtils;
-import org.springframework.core.convert.converter.Converter;
 import org.springframework.core.convert.converter.ConvertingComparator;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ReflectionUtils;
@@ -84,10 +82,11 @@ public class ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFacto
 		// @AfterThrowing methods due to the fact that AspectJAfterAdvice.invoke(MethodInvocation)
 		// invokes proceed() in a `try` block and only invokes the @After advice method
 		// in a corresponding `finally` block.
+		@SuppressWarnings("NullAway")
 		Comparator<Method> adviceKindComparator = new ConvertingComparator<>(
 				new InstanceComparator<>(
 						Around.class, Before.class, After.class, AfterReturning.class, AfterThrowing.class),
-				(Converter<Method, Annotation>) method -> {
+				method -> {
 					AspectJAnnotation ann = AbstractAspectJAdvisorFactory.findAspectJAnnotationOnMethod(method);
 					return (ann != null ? ann.getAnnotation() : null);
 				});