switch (showStacktrace) {
            case ALWAYS:
            case ALWAYS_FULL:
                LoggingDeprecatedFeatureHandler.setTraceLoggingEnabled(true);
                break;
            default:
                LoggingDeprecatedFeatureHandler.setTraceLoggingEnabled(false);
        }

        DeprecationLogger.init(startParameter.getWarningMode(), eventEmitter, problemsService, problemsStream);

        given:
        System.clearProperty(deprecationTracePropertyName)

        when:
        LoggingDeprecatedFeatureHandler.setTraceLoggingEnabled(true)

        then:
        LoggingDeprecatedFeatureHandler.isTraceLoggingEnabled()

        when:
        LoggingDeprecatedFeatureHandler.setTraceLoggingEnabled(false)

        then:

     * system property.
     *
     * @param traceLoggingEnabled if trace logging should be enabled.
     */
    public static void setTraceLoggingEnabled(boolean traceLoggingEnabled) {
        LoggingDeprecatedFeatureHandler.traceLoggingEnabled = traceLoggingEnabled;
    }

    static boolean isTraceLoggingEnabled() {