* The default returns 6. Override in subclasses for provider-specific tuning.
     *
     * @return the maximum number of messages
     */
    protected int getIntentHistoryMaxMessages() {
        return 6;
    }

    /**
     * Gets the maximum characters for intent detection history.
     * The default returns 3000. Override in subclasses for provider-specific tuning.
     *

        }

        @Override
        protected int getHistoryMaxChars() {
            return testHistoryMaxChars;
        }

        @Override
        protected int getIntentHistoryMaxMessages() {
            return testIntentHistoryMaxMessages;
        }

        @Override
        protected int getIntentHistoryMaxChars() {
            return testIntentHistoryMaxChars;
        }