Method stats

cpp/src/arrow/ipc/reader.cc:2256–2256

int64_t StreamDecoder::next_required_size() const { return impl_->next_required_size(); }

ReadStats StreamDecoder::stats() const { return impl_->stats(); }

Result<std::shared_ptr<Schema>> ReadSchema(io::InputStream* stream,
                                           DictionaryMemo* dictionary_memo) {