code: func (actor Actor) GetServiceBrokerByName(brokerName string) (ServiceBroker, Warnings, error) {
  	serviceBrokers, warnings, err := actor.CloudControllerClient.GetServiceBrokers(ccv2.Filter{
  		Type:     constant.NameFilter,
  		Operator: constant.EqualOperator,
  		Values:   []string{brokerName},
  	})
  
  	if err != nil {
  		return ServiceBroker{}, Warnings(warnings), err
  	}
  
  	if len(serviceBrokers) == 0 {
  		return ServiceBroker{}, Warnings(warnings), actionerror.ServiceBrokerNotFoundError{Name: brokerName}
  	}
  
  	return ServiceBroker(serviceBrokers[0]), Warnings(warnings), err
  }
docs: // GetServiceBrokerByName returns a ServiceBroker and any warnings or errors.