StackWalker was introduced in Java 9, and Hibernate ORM 6.0 require Java 11, so it can use StackWalker freely without relying on reflection hacks.

See https://github.com/hibernate/hibernate-orm/blob/697cfea1706602554839f14cc7a31cee6e5cd7f6/hibernate-core/src/main/java/org/hibernate/bytecode/internal/bytebuddy/HibernateMethodLookupDispatcher.java#L105