### Question:
Options { long getGuid() { return (long) tags.get(LightStepConstants.Tags.GUID_KEY); } private  Options(
            String accessToken,
            String serviceVersion,
            String hostname,
            URL collectorUrl,
            long maxReportingIntervalMillis,
            int maxBufferedSpans,
            int verbosity,
            boolean disableReportingLoop,
            boolean resetClient,
            Map<String, Object> tags,
            boolean useClockCorrection,
            ScopeManager scopeManager,
            long deadlineMillis,
            Map<Format<?>, Propagator> propagators,
            String metricsUrl,
            boolean disableMetricsReporting,
            CollectorClient collectorClient,
            String grpcCollectorTarget,
            boolean grpcRoundRobin,
            OkHttpDns okhttpDns,
            boolean disableMetaEventLogging
    ); @SuppressWarnings({"WeakerAccess", "SameParameterValue"}) Options setDefaultReportingIntervalMillis(int value); @SuppressWarnings("unused") Options disableResetClient(); @SuppressWarnings("WeakerAccess")
    static final int DEFAULT_MAX_BUFFERED_SPANS; @SuppressWarnings("WeakerAccess")
    static final int VERBOSITY_DEBUG; @SuppressWarnings("WeakerAccess")
    static final int VERBOSITY_INFO; @SuppressWarnings("WeakerAccess")
    static final int VERBOSITY_ERRORS_ONLY; @SuppressWarnings("WeakerAccess")
    static final int VERBOSITY_FIRST_ERROR_ONLY; @SuppressWarnings("WeakerAccess")
    static final int VERBOSITY_NONE; }### Answer:
@Test public void testOptionsBuilder_noGuid() throws Exception { Options options = new Options.OptionsBuilder().build(); assertNotEquals(0L, options.getGuid()); }