code: protected BrokerServiceAccessor getMethodAccessor(String serviceBrokerName, CatalogService description) {
          return new AnnotationBrokerServiceAccessor(description, serviceBrokerName, getBeanClass(serviceBrokerName),
                context.getBean(serviceBrokerName));
      }
docs: Returns the accessor used to access the specified service of the
  specified broker.
  
  @param serviceBrokerName the name of the broker offering the specified service
  @param description the service description