constcommand_line::arg_descriptor<std::string>arg_log_level={"log-level","0-4 or categories",""};
constcommand_line::arg_descriptor<std::size_t>arg_max_log_file_size={"max-log-file-size","Specify maximum log file size [B]",MAX_LOG_FILE_SIZE};
constcommand_line::arg_descriptor<uint32_t>arg_max_concurrency={"max-concurrency",wallet_args::tr("Max number of threads to use for a parallel job"),DEFAULT_MAX_CONCURRENCY};