docs: @Override
      public void populateCredentials(Map<String, String> credentials) {
          // This is run on the submission client. We won't end up doing anything here since everything important will run on Nimbus.
          if (LOG.isDebugEnabled()) {
              LOG.debug("Auto Credential Class Loaded on submission client");
          }
          credentials.put(ELASTICSEARCH_CREDENTIALS, "placeholder");
      }