@Nullable
    private static Class<?> getFirstClassFound(final List<String> classNames) {
        for (String className : classNames) {
            try {
                return Class.forName(className, false, CpuHealthChecker.class.getClassLoader());
            } catch (ClassNotFoundException ignore) {
            }
        }
        return null;
    }
Instantiates a new Default cpu health checker.

@param targetSystemCpuUsage the target cpu usage
@param targetProcessCpuUsage the target process cpu usage
core/src/main/java/com/linecorp/armeria/server/healthcheck/CpuHealthChecker.java