public static Set<? extends Serializable> getDelegatedAuthenticationProviderConfigurations(final RequestContext context) {
        val scope = context.getFlowScope();
        if (scope.contains("delegatedAuthenticationProviderConfigurations", Set.class)) {
            return scope.get("delegatedAuthenticationProviderConfigurations", Set.class);
        }
        return new HashSet<>();
    }
Gets delegated authentication provider configurations.

@param context the context
@return the delegated authentication provider configurations
support/cas-server-support-pac4j-core/src/main/java/org/apereo/cas/web/flow/DelegationWebflowUtils.java