@Override
 @AvailMethod
 A_String o_MethodName(final AvailObject object) {
   final A_Atom propertyAtom = object.mutableSlot(PROPERTY_ATOM);
   final A_String methodName = propertyAtom.getAtomProperty(methodNameKeyAtom());
   if (methodName.equalsNil()) {
     return StringDescriptor.from("Unknown function");
   }
   return methodName;
 }