public X509Certificate[] getAcceptedIssuers()
    {
      return new X509Certificate[0];
    }
Utility method to append a new cookie value to an existing list of cookies.

@param cookies    the semicolon separated list of cookie values
@param newCookie  a new cookie value to be appended.

@return the new list of cookie values
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/URLStreamProvider.java