text: // BEGIN_BasicSlot 10
      /**
          BasicSlot is a base type for various "slot" types.
      */
  template < typename R, typename A1 = Void,  typename A2 = Void,  typename A3 = Void,  typename A4 = Void,  typename A5 = Void,  typename A6 = Void,  typename A7 = Void,  typename A8 = Void,  typename A9 = Void,  typename A10 = Void>
      class BasicSlot : public Slot {
          public:
              /**
              Creates a copy of this object and returns it. The caller
              owns the returned object.
              */
              virtual Slot* clone() const = 0;
      };
  // END_BasicSlot 10
  