public PolicyFailure doesNotHoldRequiredRoles(IPolicyContext context) {
        return createAuthorizationPolicyFailure(context, AUTH_MISSING_ROLE, Messages.getString("KeycloakOauthPolicy.DoesNotHoldRequiredRoles")); //$NON-NLS-1$
    }
Policy failures

@author Marc Savy {@literal <msavy@redhat.com>}
plugins/keycloak-oauth-policy/src/main/java/io/apiman/plugins/keycloak_oauth_policy/failures/PolicyFailureFactory.java