57     virtual DecodeResult Decode(std::span<char>* output) = 0;
79     virtual EncodeResult Encode(Block* output) = 0;
93     DecodeResult Decode(std::span<char>* output) final {  in Decode()
102         *output = std::span(output_buffer_.data(), static_cast<char*>(p));  in Decode()
113     EncodeResult Encode(Block* output) final {  in Encode()
114         output->clear();  in Encode()
115         output->resize(output_block_size_);  in Encode()
117         size_t available_out = output->size();  in Encode()
118         void* p = output->data();  in Encode()
127         output->resize(output->size() - available_out);  in Encode()
142     DecodeResult Decode(std::span<char>* output) final {  in Decode()
156         *output = std::span<char>(output_buffer_.data(), bytes_emitted);  in Decode()
188     EncodeResult Encode(Block* output) final {  in Encode()
189         output->clear();  in Encode()
216                 *output = std::move(output_block_);  in Encode()
219                 *output = std::move(output_block_);  in Encode()
246     DecodeResult Decode(std::span<char>* output) final {  in Decode()
270         *output = std::span<char>(output_buffer_.data(), available_out);  in Decode()
309     EncodeResult Encode(Block* output) final {  in Encode()
367             *output = output_buffer_.take_front(len).coalesce();  in Encode()
369             output->clear();  in Encode()
394     DecodeResult Decode(std::span<char>* output) final {  in Decode()
422         *output = std::span<char>(output_buffer_.data(), out.pos);  in Decode()
445     EncodeResult Encode(Block* output) final {  in Encode()
451         output->resize(output_block_size_);  in Encode()
454         out.dst = output->data();  in Encode()
455         out.size = static_cast<size_t>(output->size());  in Encode()
466         output->resize(out.pos);  in Encode()