Undefined.EXCEPTION (Groovy 5.0.0-SNAPSHOT)

public static final class Undefined.EXCEPTION
extends RuntimeException

Inherited Methods
Methods inherited from class	Name
`class RuntimeException`	`addSuppressed, equals, fillInStackTrace, getCause, getClass, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, hashCode, initCause, notify, notifyAll, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString, wait, wait, wait`

[Java] Class Undefined.EXCEPTION