code: public static String getResponseCacheHeaderSettings(final String contentType) {
  		String parameter = MessageFormat.format(RESPONSE_CACHE_HEADER_SETTINGS, contentType);
  		return get().getString(parameter);
  	}
docs: The response cache header settings for the given contentType.
  
  @param contentType the content type in the format 'type.[cache | nocache]', e.g. 'page.nocache'.
  @return the parameter value if set, or null if not set.