code: private void invalidateCaches(Conversation conversation) {
  		checkConversationQueue();
  
  		conversation.setInteractionExpiration(0L);
  		Configuration config = Configuration.load();
  		config.setConfigurationCacheExpirationMillis(System.currentTimeMillis());
  		config.save();
  	}
docs: We want to make sure the app is using the latest configuration from the server if the app or sdk version changes.