static boolean isBooleanOptionSet(
            @Nullable final Map<String, String> kvs, @NonNull String key,
            boolean defaultValueIfKeyAbsent
    ) {
        return isBooleanOptionSet(kvs, key, defaultValueIfKeyAbsent, true);
    }
@author Jerry Lee (oldratlee at gmail dot com)
ttl-agent/src/main/java/com/alibaba/ttl3/agent/TtlAgentHelper.java