code: public ServiceFuture<ServerDnsAliasInner> beginCreateOrUpdateAsync(String resourceGroupName, String serverName, String dnsAliasName, final ServiceCallback<ServerDnsAliasInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, dnsAliasName), serviceCallback);
      }
docs: Creates a server dns alias.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server that the alias is pointing to.
  @param dnsAliasName The name of the server DNS alias.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object