code: public java.util.List<String> getGlueIps() {
          if (glueIps == null) {
              glueIps = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return glueIps;
      }
docs: <p>
  Glue IP address of a name server entry. Glue IP addresses are required only when the name of the name server is a
  subdomain of the domain. For example, if your domain is example.com and the name server for the domain is
  ns.example.com, you need to specify the IP address for ns.example.com.
  </p>
  <p>
  Constraints: The list can contain only one IPv4 and one IPv6 address.
  </p>
  
  @return Glue IP address of a name server entry. Glue IP addresses are required only when the name of the name
  server is a subdomain of the domain. For example, if your domain is example.com and the name server for
  the domain is ns.example.com, you need to specify the IP address for ns.example.com.</p>
  <p>
  Constraints: The list can contain only one IPv4 and one IPv6 address.