code: private Configuration buildTwitterConfiguration() {
          logger.debug("creating twitter configuration");
          ConfigurationBuilder cb = new ConfigurationBuilder();
  
          cb.setOAuthConsumerKey(oauthConsumerKey)
                  .setOAuthConsumerSecret(oauthConsumerSecret)
                  .setOAuthAccessToken(oauthAccessToken)
                  .setOAuthAccessTokenSecret(oauthAccessTokenSecret);
  
          if (proxyHost != null) cb.setHttpProxyHost(proxyHost);
          if (proxyPort != null) cb.setHttpProxyPort(Integer.parseInt(proxyPort));
          if (proxyUser != null) cb.setHttpProxyUser(proxyUser);
          if (proxyPassword != null) cb.setHttpProxyPassword(proxyPassword);
          if (raw) cb.setJSONStoreEnabled(true);
          logger.debug("twitter configuration created");
          return cb.build();
      }
docs: Build configuration object with credentials and proxy settings
  @return