@Provides @Named(SERVLET_PRINCIPAL_CONVERTER)
public ServletPrincipalConverter defaultServletPrincipalConverter() {
return new ServletPrincipalConverter() {
@Override
public RestxPrincipal toRestxPrincipal(final Principal principal) {
return new RestxPrincipal() {
@Override
public ImmutableSet<String> getPrincipalRoles() {
return ImmutableSet.of();
}