Undefined (Groovy 2.4.15)

```
public final class Undefined
extends java.lang.Object
```
Java doesn't allow you to have null as an attribute value. It wants you to indicate what you really mean by null, so that is what we do here - as ugly as it is.

Nested Classes
Modifier and Type	Class	Description
`static class`	`Undefined.CLASS`

Fields
Modifier and Type	Field	Description
`static java.lang.String`	`STRING`

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static boolean`	`isUndefined(java.lang.String other)`
`static boolean`	`isUndefined(ClassNode other)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

public static boolean isUndefined(java.lang.String other)

public static boolean isUndefined(ClassNode other)

Class Undefined