for (size_t i = 0; i < lines.size(); ++i) {
const ConfigLine &line = lines[i];
if (line.keyword == "num_servers" ||
line.keyword == "stats_file" ||
for (size_t i = 0; i < lines.size(); ++i) {
const ConfigLine &line = lines[i];
if (line.keyword == "num_servers" ||
line.keyword == "stats_file" ||