code: public ConsulResponse<List<ServiceHealth>> getHealthyServicesWithRequestOptions(String serviceName, RequestOptions requestOptions) {
          return getHealthyServices(serviceName, null, null, requestOptions);
      }
docs: Retrieves the healthchecks for all healthy nodes with {@link io.advantageous.consul.domain.option.RequestOptions}.
  <p>
  <code>GET /v1/health/service/{service}?passing</code>
  
  @param serviceName    The service to query.
  @param requestOptions The Query Options to use.
  @return A {@link io.advantageous.consul.domain.ConsulResponse} containing a list of
  {@link io.advantageous.consul.domain.HealthCheck} objects.