Parallels lilcense products enumeration.

typedef enum _PRL_PRODUCT_ENUM {
  PRL_PRODUCT_ANY = 0,
  PRL_PRODUCT_DESKTOP = 1,
  PRL_PRODUCT_SERVER = 2,
  PRL_PRODUCT_WORKSTATION = 3,
  PRL_PRODUCT_STM = 4
} PRL_PRODUCT_ENUM;