code: private static Set<String> parseDelimitedParameters(Set<String> parametersToParse) {
  		Set<String> parsedParameters = new LinkedHashSet<>();
  		if (parametersToParse != null && !parametersToParse.isEmpty()) {
  			for (String parameterToParse : parametersToParse) {
  				parsedParameters.addAll(Arrays.asList(parameterToParse.split(JSON_API_PARAM_DELIMITER)));
  			}
  		}
  		return parsedParameters;
  	}
docs: Returns a list of all of the strings contained in parametersToParse. If
  any of the strings contained in parametersToParse is a comma-delimited
  list, that string will be split into substrings and each substring will
  be added to the returned set (in place of the delimited list).