An interface for MetaMethods that invoke closures to implements. Used by ExpandoMetaClass
| Type Params | Return Type | Name and description | 
|---|---|---|
 | 
                            Closure | 
                            getClosure()Returns the original closure that this method invokes  | 
                        
 | 
                            String | 
                            getName()The method name  | 
                        
 | 
                            boolean | 
                            isStatic()Is it a static method?  |