template<typename T,  Options> class binomial_heap;
  }
}

  
    template<typename T,  Options> class d_ary_heap;
  }
}

  
    template<typename T,  Options> class fibonacci_heap;
  }
}

  
    template<typename C> struct MergablePriorityQueue;
    template<typename C> struct MutablePriorityQueue;
    template<typename C> struct PriorityQueue;
  }
}

  
    template<typename Heap1, typename Heap2>  (, );
  }
}

  
    template<typename T,  Options> class pairing_heap;
  }
}

  
    template<typename T> struct allocator;
    template< T> struct arity;
    template<typename T> struct compare;
    template< T> struct constant_time_size;
    template< T> struct mutable_;
    template<typename IntType> struct stability_counter_type;
    template< T> struct stable;
    template< T> struct store_parent_pointer;
  }
}

  
    template<typename T,  Options> class priority_queue;
  }
}

  
    template<typename T,  Options> class skew_heap;
  }
}