-extern bool op_requires_recheck(Oid opno, Oid opclass);
-extern Oid get_opclass_member(Oid opclass, int16 strategy);
+extern int get_op_opclass_strategy(Oid opno, Oid opclass);
+extern void get_op_opclass_properties(Oid opno, Oid opclass,
+ int *strategy, Oid *subtype,
+ bool *recheck);
+extern Oid get_opclass_member(Oid opclass, Oid subtype, int16 strategy);