code: public ServiceFuture<Void> beginAcquireAsync(String resourceGroupName, String serverName, String dnsAliasName, String oldServerDnsAliasId, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromResponse(beginAcquireWithServiceResponseAsync(resourceGroupName, serverName, dnsAliasName, oldServerDnsAliasId), serviceCallback);
      }
docs: Acquires server DNS alias from another server.
  
  @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 oldServerDnsAliasId The id of the server alias that will be acquired to point to this server instead.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object