Method setSharedKeys

API/fleece/Fleece.hh:440–440

        ~Encoder()                                      {FLEncoder_Free(_enc);}

        void setSharedKeys(SharedKeys sk)               {FLEncoder_SetSharedKeys(_enc, sk);}

        inline void amend(slice base, bool reuseStrings =false, bool externPointers =false);
        slice base() const                              {return FLEncoder_GetBase(_enc);}