Java16 (Groovy 4.0.5)

```
public class Java16
extends Java10
```
Additional Java 16 based functions will be added here as needed.

Methods
Type Params	Return Type	Name and description
	`public Object`	`getInvokeSpecialHandle(Method method, Object receiver)`
	`public int`	`getVersion()`
	`public Object`	`invokeHandle(Object handle, Object[] args)`

Inherited Methods
Methods inherited from class	Name
`class Java10`	`getPluginDefaultGroovyMethods, getVersion`
`class Java9`	`checkAccessible, checkCanSetAccessible, getDefaultImportClasses, getPluginDefaultGroovyMethods, getVersion, transformMetaMethod, trySetAccessible`
`class Java8`	`checkAccessible, checkCanSetAccessible, configureAnnotation, configureAnnotationNodeFromDefinition, configureClassNode, configureTypeVariableDefinition, configureTypeVariableReference, doPrivileged, doPrivileged, getInvokeSpecialHandle, getPluginDefaultGroovyMethods, getPluginStaticGroovyMethods, getVersion, invalidateCallSites, invokeHandle, of, setAdditionalClassInformation, transformMetaMethod, transformMetaMethod, trySetAccessible`

[Java] Class Java16