code: public AzureFirewallInner createOrUpdate(String resourceGroupName, String azureFirewallName, AzureFirewallInner parameters) {
          return createOrUpdateWithServiceResponseAsync(resourceGroupName, azureFirewallName, parameters).toBlocking().last().body();
      }
docs: Creates or updates the specified Azure Firewall.
  
  @param resourceGroupName The name of the resource group.
  @param azureFirewallName The name of the Azure Firewall.
  @param parameters Parameters supplied to the create or update Azure Firewall operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the AzureFirewallInner object if successful.