protected void clearTicketGrantingCookieFromContext(final RequestContext context) {
        val request = WebUtils.getHttpServletRequestFromExternalWebflowContext(context);
        val response = WebUtils.getHttpServletResponseFromExternalWebflowContext(context);
        ticketGrantingTicketCookieGenerator.removeAll(request, response);
        WebUtils.putTicketGrantingTicketInScopes(context, StringUtils.EMPTY);
    }
Class to automatically set the paths for the CookieGenerators.
<p>
Note: This is technically not thread-safe, but because its overriding with a
constant value it doesn't matter.
<p>
Note: As of CAS 3.1, this is a required class that retrieves and exposes the
values in the two cookies for subclasses to use.

@author Scott Battaglia
@since 3.1
support/cas-server-support-actions-core/src/main/java/org/apereo/cas/web/flow/login/InitialFlowSetupAction.java