Use `@SuppressWarnings("NullAway.Init")``

This commit uses `@SuppressWarnings("NullAway.Init")` when
relevant.

See gh-34147
See gh-34151

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassPostProcessor.java

@@ -178,7 +178,8 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
 
 	private ApplicationStartup applicationStartup = ApplicationStartup.DEFAULT;
 
-	private @Nullable List<PropertySourceDescriptor> propertySourceDescriptors;
+	@SuppressWarnings("NullAway.Init")
+	private List<PropertySourceDescriptor> propertySourceDescriptors;
 
 
 	@Override
@@ -319,7 +320,6 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
 	}
 
 	@Override
-	@SuppressWarnings("NullAway") // Lazy initialization
 	public @Nullable BeanFactoryInitializationAotContribution processAheadOfTime(ConfigurableListableBeanFactory beanFactory) {
 		boolean hasPropertySourceDescriptors = !CollectionUtils.isEmpty(this.propertySourceDescriptors);
 		boolean hasImportRegistry = beanFactory.containsBean(IMPORT_REGISTRY_BEAN_NAME);

spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/AbstractDataFieldMaxValueIncrementer.java

@@ -18,8 +18,6 @@ package org.springframework.jdbc.support.incrementer;
 
 import javax.sql.DataSource;
 
-import org.jspecify.annotations.Nullable;
-
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.dao.DataAccessException;
 import org.springframework.util.Assert;
@@ -36,10 +34,12 @@ import org.springframework.util.Assert;
  */
 public abstract class AbstractDataFieldMaxValueIncrementer implements DataFieldMaxValueIncrementer, InitializingBean {
 
-	private @Nullable DataSource dataSource;
+	@SuppressWarnings("NullAway.Init")
+	private DataSource dataSource;
 
 	/** The name of the sequence/table containing the sequence. */
-	private @Nullable String incrementerName;
+	@SuppressWarnings("NullAway.Init")
+	private String incrementerName;
 
 	/** The length to which a string result should be pre-pended with zeroes. */
 	protected int paddingLength = 0;
@@ -76,7 +76,6 @@ public abstract class AbstractDataFieldMaxValueIncrementer implements DataFieldM
 	/**
 	 * Return the data source to retrieve the value from.
 	 */
-	@SuppressWarnings("NullAway") // Lazy initialization
 	public DataSource getDataSource() {
 		return this.dataSource;
 	}
@@ -91,7 +90,6 @@ public abstract class AbstractDataFieldMaxValueIncrementer implements DataFieldM
 	/**
 	 * Return the name of the sequence/table.
 	 */
-	@SuppressWarnings("NullAway") // Lazy initialization
 	public String getIncrementerName() {
 		return this.incrementerName;
 	}