virtual uint32_t read(
    void * out_data,
    uint32_t size,
    struct timespec * update_time
) =0

virtual bool compareAndSwapUpdateCounter(
    uint32_t & last_update_counter
) =0

virtual void setUpdateOutputFlag(
    bool newval
) =0

virtual void setUpdateOutputOnceFlag(
    uint32_t length
) =0

virtual void setUpdateOutputOnInputFlag(
    bool newval
) =0

virtual uint32_t addRequest() =0

virtual uint32_t getReplyId() =0

virtual void write(
    const void * in_data,
    uint32_t size
) =0

virtual void force(
    const void * in_data,
    uint32_t size
) =0

virtual void setForceFlag(
    bool overwrite_active
) =0

virtual void setUserGroup(
    UserGroup user_group,
    bool recursive
) =0

virtual void setPermissions(
    Permission permission,
    bool recursive
) =0

virtual void activateLink(
    bool flag
) =0

virtual const ParameterInfo & getInfo() const =0

virtual size_t getSize() const =0

virtual size_t getMaxSize() const =0