class JxlEncoderOutputProcessorWrapper
{ ... };
auto CurrentPosition() const -> size_t
auto GetBuffer(size_t min_size, size_t requested_size) -> StatusOr<JxlOutputProcessorBuffer>
auto HasAvailOut() const -> bool
auto HasOutputToWrite() const -> bool
auto OutputProcessorSet() const -> bool
auto Seek(size_t pos) -> void
auto SetAvailOut(uint8_t** next_out, size_t* avail_out) -> bool
auto SetFinalizedPosition() -> void
auto WasStopRequested() const -> bool