provide a little code example illustrating HHH-19023

Author: gavinking

hibernate-core/src/main/java/org/hibernate/graph/Graph.java

@@ -7,7 +7,6 @@
 import java.util.List;
 
 import jakarta.persistence.metamodel.Attribute;
-import jakarta.persistence.metamodel.EntityType;
 import jakarta.persistence.metamodel.ManagedType;
 import jakarta.persistence.metamodel.MapAttribute;
 import jakarta.persistence.metamodel.PluralAttribute;
@@ -42,9 +41,13 @@
  * </ul>
  * <p>
  * When a graph is defined programmatically, the new graph is usually instantiated by calling
- * {@link jakarta.persistence.EntityManager#createEntityGraph(Class)}. However, this requires
- * a reference to and {@code EntityManager}, which might not always be convenient. An
- * alternative is provided by {@link EntityGraphs#createGraph(EntityType)}.
+ * {@link jakarta.persistence.EntityManager#createEntityGraph(Class)}. However, this requires a
+ * reference to and {@code EntityManager}, which might not always be convenient. An alternative
+ * is provided by {@link EntityGraphs#createGraph(jakarta.persistence.metamodel.EntityType)},
+ * where the {@code EntityType} may be obtained from the static metamodel:
+ * <pre>
+ * EntityGraph&lt;Book&gt; graph = EntityGraphs.createGraph(Book_.class_);
+ * </pre>
  *
  * @apiNote Historically, both {@link jakarta.persistence.EntityGraph} and this interface
  * declared operations with incorrect generic types, leading to unsound code. This was