import { Value } from '../../../cloudformation/Value';
/**
  An object that represents the DNS service discovery information for your virtual node.
  For full documentation go to <a href="http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-appmesh-virtualnode-dnsservicediscovery.html">the AWS Docs</a>
*/
export interface DnsServiceDiscoveryProps {
    /** <code>IpPreference</code>  <a name="cfn-appmesh-virtualnode-dnsservicediscovery-ippreference"></a>
  The preferred IP version that this virtual node uses. Setting the IP preference on the virtual node only overrides the IP preference set for the mesh on this specific node.<br />
  
  Required: No<br />
  
  Allowed values: <code>IPv4_ONLY | IPv4_PREFERRED | IPv6_ONLY | IPv6_PREFERRED</code><br />
  
  Update requires: <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt">No interruption</a> */
    ipPreference?: Value<'IPv4_ONLY' | 'IPv4_PREFERRED' | 'IPv6_ONLY' | 'IPv6_PREFERRED'>;
    /** <code>Hostname</code>  <a name="cfn-appmesh-virtualnode-dnsservicediscovery-hostname"></a>
  Specifies the DNS service discovery hostname for the virtual node.<br />
  
  Required: Yes<br />
  
  Update requires: <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt">No interruption</a> */
    hostname: Value<string>;
    /** <code>ResponseType</code>  <a name="cfn-appmesh-virtualnode-dnsservicediscovery-responsetype"></a>
  Specifies the DNS response type for the virtual node.<br />
  
  Required: No<br />
  
  Allowed values: <code>ENDPOINTS | LOADBALANCER</code><br />
  
  Update requires: <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt">No interruption</a> */
    responseType?: Value<'ENDPOINTS' | 'LOADBALANCER'>;
}
