Add nullability annotations to smoke-test/spring-boot-smoke-test-flyway

See gh-46587

smoke-test/spring-boot-smoke-test-flyway/src/main/java/smoketest/flyway/Person.java

@@ -20,6 +20,7 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
 import jakarta.persistence.SequenceGenerator;
+import org.jspecify.annotations.Nullable;
 
 @Entity
 public class Person {
@@ -27,25 +28,25 @@ public class Person {
 	@Id
 	@SequenceGenerator(name = "person_generator", sequenceName = "person_sequence", allocationSize = 1)
 	@GeneratedValue(generator = "person_generator")
-	private Long id;
+	private @Nullable Long id;
 
-	private String firstName;
+	private @Nullable String firstName;
 
-	private String lastName;
+	private @Nullable String lastName;
 
-	public String getFirstName() {
+	public @Nullable String getFirstName() {
 		return this.firstName;
 	}
 
-	public void setFirstName(String firstName) {
+	public void setFirstName(@Nullable String firstName) {
 		this.firstName = firstName;
 	}
 
-	public String getLastName() {
+	public @Nullable String getLastName() {
 		return this.lastName;
 	}
 
-	public void setLastName(String lastname) {
+	public void setLastName(@Nullable String lastname) {
 		this.lastName = lastname;
 	}
 

smoke-test/spring-boot-smoke-test-flyway/src/main/java/smoketest/flyway/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2012-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@NullMarked
+package smoketest.flyway;
+
+import org.jspecify.annotations.NullMarked;