code: @Override
      public String getAWSAccessId() {
          String aWSAccessId = configInstance.getStringProperty(
                  namespace + "awsAccessId", null).get();
  
          if (null != aWSAccessId) {
              return aWSAccessId.trim();
          } else {
              return null;
          }
  
      }
docs: /*
  (non-Javadoc)
  
  @see com.netflix.eureka.EurekaServerConfig#getAWSAccessId()