+char *
+json_quote_str (const void *ctx, const char *str);
+
+/* notmuch-config.c */
+
+typedef struct _notmuch_config notmuch_config_t;
+
+notmuch_config_t *
+notmuch_config_open (void *ctx,
+ const char *filename,
+ notmuch_bool_t *is_new_ret);
+
+void
+notmuch_config_close (notmuch_config_t *config);
+
+int
+notmuch_config_save (notmuch_config_t *config);
+
+const char *
+notmuch_config_get_database_path (notmuch_config_t *config);
+
+void
+notmuch_config_set_database_path (notmuch_config_t *config,
+ const char *database_path);
+
+const char *
+notmuch_config_get_user_name (notmuch_config_t *config);
+
+void
+notmuch_config_set_user_name (notmuch_config_t *config,
+ const char *user_name);
+
+const char *
+notmuch_config_get_user_primary_email (notmuch_config_t *config);
+
+void
+notmuch_config_set_user_primary_email (notmuch_config_t *config,
+ const char *primary_email);
+
+char **
+notmuch_config_get_user_other_email (notmuch_config_t *config,
+ size_t *length);
+
+void
+notmuch_config_set_user_other_email (notmuch_config_t *config,
+ const char *other_email[],
+ size_t length);
+
+notmuch_bool_t
+debugger_is_active (void);
+