83   bool dec_refcount();

    83   bool dec_refcount();

    84 

    84 

    85   bool is_in(uintptr_t addr) const;

    85   bool is_in(uintptr_t addr) const;

    86 

    86 

    87   uintptr_t block_start(uintptr_t addr) const;

    87   uintptr_t block_start(uintptr_t addr) const;

    89   bool block_is_obj(uintptr_t addr) const;

    88   bool block_is_obj(uintptr_t addr) const;

    90 

    89 

    91   bool is_active() const;

    90   bool is_active() const;

    92   bool is_allocating() const;

    91   bool is_allocating() const;

    93   bool is_relocatable() const;

    92   bool is_relocatable() const;