protected:
void append_single_sample(void *data);
void append_samples(void *data, uint64_t samples);
uint8_t* get_raw_samples(uint64_t start, uint64_t count) const;
protected:
void append_single_sample(void *data);
void append_samples(void *data, uint64_t samples);
uint8_t* get_raw_samples(uint64_t start, uint64_t count) const;