in src/main/java/com/googlesource/gerrit/plugins/healthcheck/check/BlockedThreadsConfigurator.java [151:157]
private static Optional<Integer> isThresholdDefined(String input) {
Matcher value = THRESHOLD_PATTERN.matcher(input.trim());
if (value.matches()) {
return Optional.of(Integer.valueOf(value.group(1)));
}
return Optional.empty();
}