diff --git a/src/proto/vim9script.pro b/src/proto/vim9script.pro
index 8f9cb6d..3603b0b 100644
--- a/src/proto/vim9script.pro
+++ b/src/proto/vim9script.pro
@@ -8,7 +8,7 @@
 int find_exported(int sid, char_u *name, ufunc_T **ufunc, type_T **type, cctx_T *cctx);
 char_u *handle_import(char_u *arg_start, garray_T *gap, int import_sid, evalarg_T *evalarg, void *cctx);
 char_u *vim9_declare_scriptvar(exarg_T *eap, char_u *arg);
-void add_vim9_script_var(dictitem_T *di, typval_T *tv, type_T *type);
+void update_vim9_script_var(int create, dictitem_T *di, typval_T *tv, type_T *type);
 void hide_script_var(scriptitem_T *si, int idx, int func_defined);
 void free_all_script_vars(scriptitem_T *si);
 svar_T *find_typval_in_script(typval_T *dest);
diff --git a/src/proto/vim9type.pro b/src/proto/vim9type.pro
index 4409cd6..ae947e6 100644
--- a/src/proto/vim9type.pro
+++ b/src/proto/vim9type.pro
@@ -18,6 +18,7 @@
 int check_arg_type(type_T *expected, type_T *actual, int argidx);
 char_u *skip_type(char_u *start, int optional);
 type_T *parse_type(char_u **arg, garray_T *type_gap, int give_error);
+int equal_type(type_T *type1, type_T *type2);
 void common_type(type_T *type1, type_T *type2, type_T **dest, garray_T *type_gap);
 type_T *get_member_type_from_stack(type_T **stack_top, int count, int skip, garray_T *type_gap);
 char *vartype_name(vartype_T type);