namespace boost {
        namespace lambda {
        template <int I> struct placeholder;
       template <class Base> class lambda_functor;
      namespace detail {
     }
      }
        namespace lambda {
       enum {
    NONE = 0x00,        FIRST = 0x01,        SECOND = 0x02,        THIRD = 0x04,        EXCEPTION = 0x08,        RETHROW = 0x10};
       template<> struct placeholder<FIRST> {
    };
       typedef const lambda_functor<placeholder<FIRST> > placeholder1_type;
       template <class T> class lambda_functor : public T {
     public:   typedef T inherited;
       lambda_functor() {
      }
    };
        boost::lambda::placeholder1_type free1 = boost::lambda::placeholder1_type();
       boost::lambda::placeholder1_type& _1 = free1;
          using boost::lambda::_1;