code: private ResponseEntity<String> makeRestCall(String instanceUrl, String suffix) {
  		ResponseEntity<String> response = null;
  		try {
  			response = restOperations.exchange(joinUrl(instanceUrl, artifactorySettings.getEndpoint(), suffix), HttpMethod.GET,
  					new HttpEntity<>(createHeaders(instanceUrl)), String.class);
  
  		} catch (RestClientException re) {
  			LOGGER.error("Error with REST url: " + joinUrl(instanceUrl, artifactorySettings.getEndpoint(), suffix));
  			LOGGER.error(re.getMessage());
  		}
  		return response;
  	}
docs: ////// Helpers