Nullability annotation cleanup.

src/main/antora/modules/ROOT/pages/elasticsearch/object-mapping.adoc

@@ -192,8 +192,7 @@ public String getProperty() {
 
 This annotation can be set on a String property of an entity.
 This property will not be written to the mapping, it will not be stored in Elasticsearch and its value will not be read from an Elasticsearch document.
-After an entity is persisted, for example with a call to `ElasticsearchOperations.save(T entity)`, the entity
+After an entity is persisted, for example with a call to `ElasticsearchOperations.save(T entity)`, the entity returned from that call will contain the name of the index that an entity was saved to in that property.
-returned from that call will contain the name of the index that an entity was saved to in that property.
 This is useful when the index name is dynamically set by a bean, or when writing to a write alias.
 
 Putting some value into such a property does not set the index into which an entity is stored!
@@ -423,7 +422,6 @@ Looking at the `Configuration` from the xref:elasticsearch/object-mapping.adoc#e
 @Configuration
 public class Config extends ElasticsearchConfiguration  {
 
-	@NonNull
 	@Override
 	public ClientConfiguration clientConfiguration() {
 		return ClientConfiguration.builder() //

src/main/java/org/springframework/data/elasticsearch/core/AbstractElasticsearchTemplate.java

@@ -57,7 +57,6 @@ import org.springframework.data.elasticsearch.support.VersionInfo;
 import org.springframework.data.mapping.callback.EntityCallbacks;
 import org.springframework.data.mapping.context.MappingContext;
 import org.springframework.data.util.Streamable;
-import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
@@ -779,8 +778,7 @@ public abstract class AbstractElasticsearchTemplate implements ElasticsearchOper
 	}
 
 	protected interface SearchDocumentResponseCallback<T> {
-		@NonNull
+		T doWith(SearchDocumentResponse response);
-		T doWith(@NonNull SearchDocumentResponse response);
 	}
 
 	protected class ReadSearchDocumentResponseCallback<T> implements SearchDocumentResponseCallback<SearchHits<T>> {
@@ -795,7 +793,6 @@ public abstract class AbstractElasticsearchTemplate implements ElasticsearchOper
 			this.type = type;
 		}
 
-		@NonNull
 		@Override
 		public SearchHits<T> doWith(SearchDocumentResponse response) {
 			List<T> entities = response.getSearchDocuments().stream().map(delegate::doWith).collect(Collectors.toList());
@@ -816,7 +813,6 @@ public abstract class AbstractElasticsearchTemplate implements ElasticsearchOper
 			this.type = type;
 		}
 
-		@NonNull
 		@Override
 		public SearchScrollHits<T> doWith(SearchDocumentResponse response) {
 			List<T> entities = response.getSearchDocuments().stream().map(delegate::doWith).collect(Collectors.toList());

src/main/java/org/springframework/data/elasticsearch/core/AbstractReactiveElasticsearchTemplate.java

@@ -55,7 +55,6 @@ import org.springframework.data.elasticsearch.core.script.Script;
 import org.springframework.data.elasticsearch.core.suggest.response.Suggest;
 import org.springframework.data.elasticsearch.support.VersionInfo;
 import org.springframework.data.mapping.callback.ReactiveEntityCallbacks;
-import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 
@@ -575,7 +574,6 @@ abstract public class AbstractReactiveElasticsearchTemplate
 		 * @param document the document to convert
 		 * @return a Mono of the entity
 		 */
-		@NonNull
 		Mono<T> toEntity(@Nullable Document document);
 	}
 
@@ -593,7 +591,6 @@ abstract public class AbstractReactiveElasticsearchTemplate
 			this.index = index;
 		}
 
-		@NonNull
 		public Mono<T> toEntity(@Nullable Document document) {
 			if (document == null) {
 				return Mono.empty();

src/test/java/org/springframework/data/elasticsearch/config/configuration/ElasticsearchConfigurationELCTests.java

@@ -31,7 +31,6 @@ import org.springframework.data.elasticsearch.client.elc.ElasticsearchConfigurat
 import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
 import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
 import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
-import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
@@ -50,7 +49,6 @@ public class ElasticsearchConfigurationELCTests {
 	@EnableElasticsearchRepositories(basePackages = { "org.springframework.data.elasticsearch.config.configuration" },
 			considerNestedRepositories = true)
 	static class Config extends ElasticsearchConfiguration {
-		@NonNull
 		@Override
 		public ClientConfiguration clientConfiguration() {
 			return ClientConfiguration.builder() //

src/test/java/org/springframework/data/elasticsearch/config/configuration/ReactiveElasticsearchConfigurationELCTests.java

@@ -29,7 +29,6 @@ import org.springframework.data.elasticsearch.client.elc.ReactiveElasticsearchCo
 import org.springframework.data.elasticsearch.core.ReactiveElasticsearchOperations;
 import org.springframework.data.elasticsearch.repository.ReactiveElasticsearchRepository;
 import org.springframework.data.elasticsearch.repository.config.EnableReactiveElasticsearchRepositories;
-import org.springframework.lang.NonNull;
 import org.springframework.lang.Nullable;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
@@ -48,7 +47,6 @@ public class ReactiveElasticsearchConfigurationELCTests {
 			considerNestedRepositories = true)
 	static class Config extends ReactiveElasticsearchConfiguration {
 
-		@NonNull
 		@Override
 		public ClientConfiguration clientConfiguration() {
 			return ClientConfiguration.builder() //