Suppress warnings in JsonMixin AOT-generated code

Closes gh-48564

module/spring-boot-jackson2/src/main/java/org/springframework/boot/jackson2/JsonMixinModuleEntriesBeanRegistrationAotProcessor.java

@@ -33,6 +33,7 @@ import org.springframework.beans.factory.aot.BeanRegistrationAotProcessor;
 import org.springframework.beans.factory.aot.BeanRegistrationCode;
 import org.springframework.beans.factory.aot.BeanRegistrationCodeFragments;
 import org.springframework.beans.factory.aot.BeanRegistrationCodeFragmentsDecorator;
+import org.springframework.beans.factory.aot.CodeWarnings;
 import org.springframework.beans.factory.support.RegisteredBean;
 import org.springframework.javapoet.ClassName;
 import org.springframework.javapoet.CodeBlock;
@@ -87,9 +88,15 @@ class JsonMixinModuleEntriesBeanRegistrationAotProcessor implements BeanRegistra
 				method.addModifiers(Modifier.PRIVATE, Modifier.STATIC);
 				method.returns(BEAN_TYPE);
 				CodeBlock.Builder code = CodeBlock.builder();
-				code.add("return $T.create(", JsonMixinModuleEntries.class).beginControlFlow("(mixins) ->");
-				entries.doWithEntry(this.classLoader, (type, mixin) -> addEntryCode(code, type, mixin));
+				CodeWarnings codeWarnings = new CodeWarnings();
+				codeWarnings.detectDeprecation(BEAN_TYPE);
+				code.add("return $T.create(", BEAN_TYPE).beginControlFlow("(mixins) ->");
+				entries.doWithEntry(this.classLoader, (type, mixin) -> {
+					codeWarnings.detectDeprecation(type, mixin);
+					addEntryCode(code, type, mixin);
+				});
 				code.endControlFlow(")");
+				codeWarnings.suppress(method);
 				method.addCode(code.build());
 			});
 			return generatedMethod.toMethodReference().toCodeBlock();

module/spring-boot-jackson2/src/test/java/org/springframework/boot/jackson2/JsonMixinModuleEntriesBeanRegistrationAotProcessorTests.java

@@ -109,7 +109,10 @@ class JsonMixinModuleEntriesBeanRegistrationAotProcessorTests {
 	@SuppressWarnings("unchecked")
 	private void compile(BiConsumer<GenericApplicationContext, Compiled> result) {
 		ClassName className = processAheadOfTime();
-		TestCompiler.forSystem().with(this.generationContext).compile((compiled) -> {
+		TestCompiler.forSystem()
+			.withCompilerOptions("-Xlint:all", "-Werror")
+			.with(this.generationContext)
+			.compile((compiled) -> {
 				GenericApplicationContext freshApplicationContext = new GenericApplicationContext();
 				ApplicationContextInitializer<GenericApplicationContext> initializer = compiled
 					.getInstance(ApplicationContextInitializer.class, className.toString());