+EiMR |UV* |_get_invlist_len_addr |NN SV* invlist
+EiMR |UV |_invlist_len |NN SV* const invlist
+EMiR |bool |_invlist_contains_cp|NN SV* const invlist|const UV cp
+EXpMR |IV |_invlist_search |NN SV* const invlist|const UV cp
+EXMpR |bool |_is_swash_user_defined|NN SV* const swash
+EXMpR |SV* |_get_swash_invlist|NN SV* const swash