code: public java.util.List<InstancePrivateIpAddress> getPrivateIpAddresses() {
          if (privateIpAddresses == null) {
              privateIpAddresses = new com.amazonaws.internal.SdkInternalList<InstancePrivateIpAddress>();
          }
          return privateIpAddresses;
      }
docs: <p>
  One or more private IPv4 addresses associated with the network interface.
  </p>
  
  @return One or more private IPv4 addresses associated with the network interface.