public void addCookie(String cookieName, String cookieValue) {
    cookiesMap.put(cookieName, cookieValue);
  }
Package protected singleton for storing Cookie key value pairs for Logging Service.
This has chosen instead of using CookieManager to avoid using system wide Cookie handling
ambari-server/src/main/java/org/apache/ambari/server/controller/logging/LoggingCookieStore.java