code: public ServiceFuture<ExpressRouteCircuitAuthorizationInner> beginCreateOrUpdateAsync(String resourceGroupName, String circuitName, String authorizationName, ExpressRouteCircuitAuthorizationInner authorizationParameters, final ServiceCallback<ExpressRouteCircuitAuthorizationInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, circuitName, authorizationName, authorizationParameters), serviceCallback);
      }
docs: Creates or updates an authorization in the specified express route circuit.
  
  @param resourceGroupName The name of the resource group.
  @param circuitName The name of the express route circuit.
  @param authorizationName The name of the authorization.
  @param authorizationParameters Parameters supplied to the create or update express route circuit authorization operation.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object