Java 8 based functions.
| Type Params | Return Type | Name and description | 
|---|---|---|
 | 
                            protected void | 
                            fillParameterNames(String[] names, Member member) | 
                        
 | 
                            protected int | 
                            getElementCode(ElementType value) | 
                        
 | 
                            Object | 
                            getInvokeSpecialHandle(Method method, Object receiver) | 
                        
 | 
                            Class<?>[] | 
                            getPluginDefaultGroovyMethods() | 
                        
 | 
                            int | 
                            getVersion() | 
                        
 | 
                            static MethodHandles.Lookup | 
                            of(Class<?> declaringClass) |