diff --git a/libnm-core/nm-utils-private.h b/libnm-core/nm-utils-private.h
index 03c8790764..aaf80363f5 100644
--- a/libnm-core/nm-utils-private.h
+++ b/libnm-core/nm-utils-private.h
@@ -78,4 +78,85 @@ void        _nm_utils_bytes_from_dbus   (GVariant *dbus_value,
 
 char *      _nm_utils_hwaddr_canonical_or_invalid (const char *mac, gssize length);
 
+
+/* JSON to GValue conversion macros */
+
+typedef struct {
+	const char *key1;
+	const char *key2;
+	const char *key3;
+} _NMUtilsTeamPropertyKeys;
+
+static inline int
+_nm_utils_json_extract_int (char *conf,
+                            _NMUtilsTeamPropertyKeys key)
+{
+	gs_free GValue *t_value = NULL;
+	int ret;
+
+	t_value = _nm_utils_team_config_get (conf, key.key1, key.key2, key.key3, FALSE);
+	if (!t_value)
+		return 0;
+
+	ret = g_value_get_int (t_value);
+	g_value_unset (t_value);
+	return ret;
+}
+
+static inline gboolean
+_nm_utils_json_extract_boolean (char *conf,
+                                _NMUtilsTeamPropertyKeys key)
+{
+	gs_free GValue *t_value = NULL;
+	gboolean ret;
+
+	t_value = _nm_utils_team_config_get (conf, key.key1, key.key2, key.key3, FALSE);
+	if (!t_value)
+		return FALSE;
+
+	ret = g_value_get_boolean (t_value);
+	g_value_unset (t_value);
+	return ret;
+}
+
+static inline char *
+_nm_utils_json_extract_string (char *conf,
+                               _NMUtilsTeamPropertyKeys key)
+{
+	gs_free GValue *t_value = NULL;
+	char *ret;
+
+	t_value = _nm_utils_team_config_get (conf, key.key1, key.key2, key.key3, FALSE);
+	if (!t_value)
+		return NULL;
+
+	ret = g_value_dup_string (t_value);
+	g_value_unset (t_value);
+	return ret;
+}
+
+static inline char **
+_nm_utils_json_extract_strv (char *conf,
+                             _NMUtilsTeamPropertyKeys key)
+{
+	gs_free GValue *t_value = NULL;
+	char **ret;
+
+	t_value = _nm_utils_team_config_get (conf, key.key1, key.key2, key.key3, FALSE);
+	if (!t_value)
+		return NULL;
+
+	ret = g_strdupv (g_value_get_boxed (t_value));
+	g_value_unset (t_value);
+	return ret;
+}
+
+static inline void
+_nm_utils_json_append_gvalue (char **conf,
+                              _NMUtilsTeamPropertyKeys key,
+                              const GValue *val)
+{
+	_nm_utils_team_config_set (conf, key.key1, key.key2, key.key3, val);
+}
+
 #endif