default boolean supports(final SingleSignOnParticipationRequest ssoRequest) {
        return ssoRequest.getRequestContext().isPresent() || ssoRequest.getHttpServletRequest().isPresent();
    }
Does strategy support this request or not?

@param ssoRequest the context
@return true/false
api/cas-server-core-api-webflow/src/main/java/org/apereo/cas/web/flow/SingleSignOnParticipationStrategy.java