/**
  * Sets the target frequency of messages to Mixpanel servers. If no calls to {@link #flush()} are
  * made, the Mixpanel library attempts to send tracking information in batches at a rate that
  * provides a reasonable compromise between battery life and liveness of data. Callers can
  * override this value, for the whole application, by calling <tt>setFlushInterval</tt>.
  *
  * @param context the execution context associated with this application, probably the main
  *     application activity.
  * @param milliseconds the target number of milliseconds between automatic flushes. this value is
  *     advisory, actual flushes may be more or less frequent
  */
 public static void setFlushInterval(Context context, long milliseconds) {
   AnalyticsMessages msgs = AnalyticsMessages.getInstance(context);
   msgs.setFlushInterval(milliseconds);
 }