diff --git a/src/proto/userfunc.pro b/src/proto/userfunc.pro
index 5c865ce..e3470f6 100644
--- a/src/proto/userfunc.pro
+++ b/src/proto/userfunc.pro
@@ -46,7 +46,7 @@
 char_u *alloc_printable_func_name(char_u *fname);
 char_u *save_function_name(char_u **name, int *is_global, int skip, int flags, funcdict_T *fudi);
 void list_functions(regmatch_T *regmatch);
-ufunc_T *define_function(exarg_T *eap, char_u *name_arg, garray_T *lines_to_free, class_T *class_arg);
+ufunc_T *define_function(exarg_T *eap, char_u *name_arg, garray_T *lines_to_free, int in_class);
 void ex_function(exarg_T *eap);
 ufunc_T *find_func_by_name(char_u *name, compiletype_T *compile_type);
 void ex_defcompile(exarg_T *eap);
diff --git a/src/proto/vim9execute.pro b/src/proto/vim9execute.pro
index 81f762e..7f8e5fd 100644
--- a/src/proto/vim9execute.pro
+++ b/src/proto/vim9execute.pro
@@ -9,7 +9,7 @@
 int add_defer_function(char_u *name, int argcount, typval_T *argvars);
 char_u *char_from_string(char_u *str, varnumber_T index);
 char_u *string_slice(char_u *str, varnumber_T first, varnumber_T last, int exclusive);
-int fill_partial_and_closure(partial_T *pt, ufunc_T *ufunc, loopvarinfo_T *loopvarinfo, ectx_T *ectx);
+int fill_partial_and_closure(partial_T *pt, ufunc_T *ufunc, loopvarinfo_T *lvi, ectx_T *ectx);
 int may_load_script(int sid, int *loaded);
 typval_T *lookup_debug_var(char_u *name);
 int may_break_in_function(ufunc_T *ufunc);
@@ -17,7 +17,7 @@
 int set_ref_in_loopvars(int copyID);
 int exe_typval_instr(typval_T *tv, typval_T *rettv);
 char_u *exe_substitute_instr(void);
-int call_def_function(ufunc_T *ufunc, int argc_arg, typval_T *argv, int flags, partial_T *partial, funccall_T *funccal, typval_T *rettv);
+int call_def_function(ufunc_T *ufunc, int argc_arg, typval_T *argv, int flags, partial_T *partial, object_T *object, funccall_T *funccal, typval_T *rettv);
 void unwind_def_callstack(ectx_T *ectx);
 void may_invoke_defer_funcs(ectx_T *ectx);
 void set_context_in_disassemble_cmd(expand_T *xp, char_u *arg);
diff --git a/src/proto/vim9instr.pro b/src/proto/vim9instr.pro
index 04d7682..d0b0d86 100644
--- a/src/proto/vim9instr.pro
+++ b/src/proto/vim9instr.pro
@@ -4,6 +4,7 @@
 isn_T *generate_instr_type(cctx_T *cctx, isntype_T isn_type, type_T *type);
 isn_T *generate_instr_debug(cctx_T *cctx);
 int generate_CONSTRUCT(cctx_T *cctx, class_T *cl);
+int generate_OBJ_MEMBER(cctx_T *cctx, int idx, type_T *type);
 int may_generate_2STRING(int offset, int tolerant, cctx_T *cctx);
 int generate_add_instr(cctx_T *cctx, vartype_T vartype, type_T *type1, type_T *type2, exprtype_T expr_type);
 vartype_T operator_type(type_T *type1, type_T *type2);