code: public void setDnsIpAddresses(java.util.Collection<String> dnsIpAddresses) {
          if (dnsIpAddresses == null) {
              this.dnsIpAddresses = null;
              return;
          }
  
          this.dnsIpAddresses = new com.amazonaws.internal.SdkInternalList<String>(dnsIpAddresses);
      }
docs: <p>
  The IP addresses of the DNS servers for the directory.
  </p>
  
  @param dnsIpAddresses
  The IP addresses of the DNS servers for the directory.