code: public static String getTargetUrl() {
  		String targetUrl = System.getenv(ENV_API_URL_KEY);
  		if (targetUrl != null) {
  			return targetUrl;
  		} else {
  			targetUrl = apiUrl;
  		}
  		return targetUrl;
  	}
docs: <p>
  getTargetUrl.
  </p>
  
  @return a {@link java.lang.String} object.