
    interface StyleSheetCollection {
 /* IID: { 0xa6cf9081, 0x15b3, 0x11d2, \
  { 0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32 } } */

      readonly attribute unsigned long length;
      StyleSheet item(in unsigned long index);
    };

