text: //
  // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
  //
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  //
  #pragma once
  
  #include "td/telegram/DialogId.h"
  #include "td/telegram/files/FileEncryptionKey.h"
  #include "td/telegram/files/FileLocation.h"
  #include "td/telegram/files/FileSourceId.h"
  
  #include "td/utils/common.h"
  #include "td/utils/format.h"
  #include "td/utils/StringBuilder.h"
  
  namespace td {
  
  class FileData {
   public:
    DialogId owner_dialog_id_;
    uint64 pmc_id_ = 0;
    RemoteFileLocation remote_;
    LocalFileLocation local_;
    unique_ptr<FullGenerateFileLocation> generate_;
    int64 size_ = 0;
    int64 expected_size_ = 0;
    string remote_name_;
    string url_;
    FileEncryptionKey encryption_key_;
    vector<FileSourceId> file_source_ids_;
  
    template <class StorerT>
    void store(StorerT &storer) const;
  
    template <class ParserT>
    void parse(ParserT &parser, bool register_file_sources);
  };
  
  inline StringBuilder &operator<<(StringBuilder &sb, const FileData &file_data) {
    sb << "[" << tag("remote_name", file_data.remote_name_) << " " << file_data.owner_dialog_id_ << " "
       << tag("size", file_data.size_) << tag("expected_size", file_data.expected_size_) << " "
       << file_data.encryption_key_;
    if (!file_data.url_.empty()) {
      sb << tag("url", file_data.url_);
    }
    if (file_data.local_.type() == LocalFileLocation::Type::Full) {
      sb << " local " << file_data.local_.full();
    }
    if (file_data.generate_ != nullptr) {
      sb << " generate " << *file_data.generate_;
    }
    if (file_data.remote_.type() == RemoteFileLocation::Type::Full) {
      sb << " remote " << file_data.remote_.full();
    }
    sb << format::as_array(file_data.file_source_ids_);
    return sb << "]";
  }
  
  }  // namespace td
  