diff --git a/src/main/java/org/springframework/data/envers/repository/support/DefaultRevisionMetadata.java b/src/main/java/org/springframework/data/envers/repository/support/DefaultRevisionMetadata.java
index bc9411e..03bfb07 100755
--- a/src/main/java/org/springframework/data/envers/repository/support/DefaultRevisionMetadata.java
+++ b/src/main/java/org/springframework/data/envers/repository/support/DefaultRevisionMetadata.java
@@ -15,8 +15,6 @@
  */
 package org.springframework.data.envers.repository.support;
 
-import lombok.NonNull;
-
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneOffset;
@@ -25,6 +23,7 @@ import java.util.Optional;
 import org.hibernate.envers.DefaultRevisionEntity;
 
 import org.springframework.data.history.RevisionMetadata;
+import org.springframework.util.Assert;
 
 /**
  * {@link RevisionMetadata} working with a {@link DefaultRevisionEntity}. The entity/delegate itself gets ignored for
@@ -36,14 +35,17 @@ import org.springframework.data.history.RevisionMetadata;
  */
 public final class DefaultRevisionMetadata implements RevisionMetadata<Integer> {
 
-	private final @NonNull DefaultRevisionEntity entity;
+	private final DefaultRevisionEntity entity;
 	private final RevisionType revisionType;
 
 	public DefaultRevisionMetadata(DefaultRevisionEntity entity) {
 		this(entity, RevisionType.UNKNOWN);
 	}
 
-	public DefaultRevisionMetadata(@NonNull DefaultRevisionEntity entity, RevisionType revisionType) {
+	public DefaultRevisionMetadata(DefaultRevisionEntity entity, RevisionType revisionType) {
+
+		Assert.notNull(entity, "DefaultRevisionEntity must not be null");
+
 		this.entity = entity;
 		this.revisionType = revisionType;
 	}
diff --git a/src/main/java/org/springframework/data/envers/repository/support/ReflectionRevisionEntityInformation.java b/src/main/java/org/springframework/data/envers/repository/support/ReflectionRevisionEntityInformation.java
index 687f99e..144ab1c 100644
--- a/src/main/java/org/springframework/data/envers/repository/support/ReflectionRevisionEntityInformation.java
+++ b/src/main/java/org/springframework/data/envers/repository/support/ReflectionRevisionEntityInformation.java
@@ -15,9 +15,8 @@
  */
 package org.springframework.data.envers.repository.support;
 
-import lombok.Getter;
-
 import org.hibernate.envers.RevisionNumber;
+
 import org.springframework.data.repository.history.support.RevisionEntityInformation;
 import org.springframework.data.util.AnnotationDetectionFieldCallback;
 import org.springframework.util.Assert;
@@ -26,10 +25,9 @@ import org.springframework.util.ReflectionUtils;
 /**
  * {@link RevisionEntityInformation} that uses reflection to inspect a property annotated with {@link RevisionNumber} to
  * find out about the revision number type.
- * 
+ *
  * @author Oliver Gierke
  */
-@Getter
 public class ReflectionRevisionEntityInformation implements RevisionEntityInformation {
 
 	private final Class<?> revisionEntityClass;
@@ -37,7 +35,7 @@ public class ReflectionRevisionEntityInformation implements RevisionEntityInform
 
 	/**
 	 * Creates a new {@link ReflectionRevisionEntityInformation} inspecting the given revision entity class.
-	 * 
+	 *
 	 * @param revisionEntityClass must not be {@literal null}.
 	 */
 	public ReflectionRevisionEntityInformation(Class<?> revisionEntityClass) {
@@ -59,4 +57,12 @@ public class ReflectionRevisionEntityInformation implements RevisionEntityInform
 	public boolean isDefaultRevisionEntity() {
 		return false;
 	}
+
+	public Class<?> getRevisionEntityClass() {
+		return this.revisionEntityClass;
+	}
+
+	public Class<?> getRevisionNumberType() {
+		return this.revisionNumberType;
+	}
 }