[gnome-control-center] Datetime: use a gdbus-codegen-erated wrapper

From: Matthias Clasen <matthiasc src gnome org>
To: commits-list gnome org
Cc:
Subject: [gnome-control-center] Datetime: use a gdbus-codegen-erated wrapper
Date: Tue, 17 May 2011 15:31:37 +0000 (UTC)
commit 5e05b920c41fb288cc1edd8e1b3136a056a9dd45
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 17 11:27:47 2011 -0400

    Datetime: use a gdbus-codegen-erated wrapper
    
    Instead of handrolled, copy-pasted async code for talking to
    the date-time-mechanism, use gdbus-codegen to generate one
    that looks nicer and is just all-around better.

 panels/datetime/Makefile.am         |    4 +-
 panels/datetime/cc-datetime-panel.c |  135 ++-
 panels/datetime/dtm.c               | 3085 +++++++++++++++++++++++++++++++++++
 panels/datetime/dtm.h               |  473 ++++++
 4 files changed, 3673 insertions(+), 24 deletions(-)
---
diff --git a/panels/datetime/Makefile.am b/panels/datetime/Makefile.am
index 4a1a02d..03ab840 100644
--- a/panels/datetime/Makefile.am
+++ b/panels/datetime/Makefile.am
@@ -104,8 +104,8 @@ libdate_time_la_SOURCES =	\
 	cc-datetime-panel.h	\
 	cc-timezone-map.c	\
 	cc-timezone-map.h	\
-	set-timezone.c		\
-	set-timezone.h		\
+	dtm.c			\
+	dtm.h			\
 	date-endian.c		\
 	date-endian.h		\
 	tz.c tz.h
diff --git a/panels/datetime/cc-datetime-panel.c b/panels/datetime/cc-datetime-panel.c
index d017237..3b22890 100644
--- a/panels/datetime/cc-datetime-panel.c
+++ b/panels/datetime/cc-datetime-panel.c
@@ -19,11 +19,12 @@
  *
  */
 
+#include "config.h"
 #include "cc-datetime-panel.h"
 
 #include <sys/time.h>
 #include "cc-timezone-map.h"
-#include "set-timezone.h"
+#include "dtm.h"
 #include "date-endian.h"
 
 #include <gdesktop-enums.h>
@@ -77,6 +78,9 @@ struct _CcDateTimePanelPrivate
   GDesktopClockFormat clock_format;
 
   guint update_id;
+
+  DateTimeMechanism *dtm;
+  GCancellable *cancellable;
 };
 
 static void update_time (CcDateTimePanel *self);
@@ -137,6 +141,19 @@ cc_date_time_panel_dispose (GObject *object)
       priv->date = NULL;
     }
 
+  if (priv->cancellable)
+    {
+      g_cancellable_cancel (priv->cancellable);
+      g_object_unref (priv->cancellable);
+      priv->cancellable = NULL;
+    }
+
+  if (priv->dtm)
+    {
+      g_object_unref (priv->dtm);
+      priv->dtm = NULL;
+    }
+
   G_OBJECT_CLASS (cc_date_time_panel_parent_class)->dispose (object);
 }
 
@@ -252,13 +269,21 @@ update_time (CcDateTimePanel *self)
 }
 
 static void
-set_time_cb (CcDateTimePanel *self,
-             GError          *error)
+set_time_cb (GObject      *source,
+             GAsyncResult *res,
+             gpointer      user_data)
 {
-  /* TODO: display any error in a user friendly way */
-  if (error)
+  CcDateTimePanel *self = user_data;
+  GError *error;
+
+  error = NULL;
+  if (!date_time_mechanism_call_set_time_finish (self->priv->dtm,
+                                                 res,
+                                                 &error))
     {
+      /* TODO: display any error in a user friendly way */
       g_warning ("Could not set system time: %s", error->message);
+      g_error_free (error);
     }
   else
     {
@@ -267,24 +292,40 @@ set_time_cb (CcDateTimePanel *self,
 }
 
 static void
-set_timezone_cb (CcDateTimePanel *self,
-                 GError          *error)
+set_timezone_cb (GObject      *source,
+                 GAsyncResult *res,
+                 gpointer      user_data)
 {
-  /* TODO: display any error in a user friendly way */
-  if (error)
+  CcDateTimePanel *self = user_data;
+  GError *error;
+
+  error = NULL;
+  if (!date_time_mechanism_call_set_timezone_finish (self->priv->dtm,
+                                                     res,
+                                                     &error))
     {
+      /* TODO: display any error in a user friendly way */
       g_warning ("Could not set system timezone: %s", error->message);
+      g_error_free (error);
     }
 }
 
 static void
-set_using_ntp_cb (CcDateTimePanel *self,
-                  GError          *error)
+set_using_ntp_cb (GObject      *source,
+                  GAsyncResult *res,
+                  gpointer      user_data)
 {
-  /* TODO: display any error in a user friendly way */
-  if (error)
+  CcDateTimePanel *self = user_data;
+  GError *error;
+
+  error = NULL;
+  if (!date_time_mechanism_call_set_using_ntp_finish (self->priv->dtm,
+                                                      res,
+                                                      &error))
     {
+      /* TODO: display any error in a user friendly way */
       g_warning ("Could not set system to use NTP: %s", error->message);
+      g_error_free (error);
     }
 }
 
@@ -295,7 +336,12 @@ queue_set_datetime (CcDateTimePanel *self)
 
   /* for now just do it */
   unixtime = g_date_time_to_unix (self->priv->date);
-  set_system_time_async (unixtime, (GFunc) set_time_cb, self, NULL);
+
+  date_time_mechanism_call_set_time (self->priv->dtm,
+                                     unixtime,
+                                     self->priv->cancellable,
+                                     set_time_cb,
+                                     self);
 }
 
 static void
@@ -305,7 +351,12 @@ queue_set_ntp (CcDateTimePanel *self)
   gboolean using_ntp;
   /* for now just do it */
   using_ntp = gtk_switch_get_active (GTK_SWITCH (W("network_time_switch")));
-  set_using_ntp_async (using_ntp, (GFunc) set_using_ntp_cb, self, NULL);
+
+  date_time_mechanism_call_set_using_ntp (self->priv->dtm,
+                                          using_ntp,
+                                          self->priv->cancellable,
+                                          set_using_ntp_cb,
+                                          self);
 }
 
 static void
@@ -314,7 +365,11 @@ queue_set_timezone (CcDateTimePanel *self)
   /* for now just do it */
   if (self->priv->current_location)
     {
-      set_system_timezone_async (self->priv->current_location->zone, (GFunc) set_timezone_cb, self, NULL);
+      date_time_mechanism_call_set_timezone (self->priv->dtm,
+                                             self->priv->current_location->zone,
+                                             self->priv->cancellable,
+                                             set_timezone_cb,
+                                             self);
     }
 }
 
@@ -471,15 +526,20 @@ location_changed_cb (CcTimezoneMap   *map,
 }
 
 static void
-get_timezone_cb (CcDateTimePanel *self,
-                 const gchar     *timezone,
-                 GError          *error)
+get_timezone_cb (GObject      *source,
+                 GAsyncResult *res,
+                 gpointer      user_data)
 {
+  CcDateTimePanel *self = user_data;
   GtkWidget *widget;
+  gchar *timezone;
+  GError *error;
 
-  if (error)
+  error = NULL;
+  if (!date_time_mechanism_call_get_timezone_finish (self->priv->dtm, &timezone, res, &error))
     {
       g_warning ("Could not get current timezone: %s", error->message);
+      g_error_free (error);
     }
   else
     {
@@ -504,6 +564,8 @@ get_timezone_cb (CcDateTimePanel *self,
   g_signal_connect (self->priv->map, "location-changed",
                     G_CALLBACK (location_changed_cb), self);
 
+
+  g_free (timezone);
 }
 
 /* load region and city tree models */
@@ -813,13 +875,28 @@ cc_date_time_panel_init (CcDateTimePanel *self)
   GtkTreeModelSort *city_modelsort;
   guint i, num_days;
   gboolean using_ntp;
+  gboolean can_use_ntp;
   int ret;
   GtkWidget *lockbutton;
   GPermission *permission;
   DateEndianess endianess;
+  GError *error;
 
   priv = self->priv = DATE_TIME_PANEL_PRIVATE (self);
 
+  priv->cancellable = g_cancellable_new ();
+  error = NULL;
+  priv->dtm = date_time_mechanism_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
+                                                          G_DBUS_PROXY_FLAGS_NONE,
+                                                          "org.gnome.SettingsDaemon.DateTimeMechanism",
+                                                          "/",
+                                                          priv->cancellable,
+                                                          &error);
+  if (priv->dtm == NULL) {
+        g_warning ("could not get proxy for DateTimeMechanism: %s", error->message);
+        g_error_free (error);
+  }
+
   priv->builder = gtk_builder_new ();
 
   ret = gtk_builder_add_objects_from_file (priv->builder, DATADIR"/datetime.ui",
@@ -834,7 +911,18 @@ cc_date_time_panel_init (CcDateTimePanel *self)
     }
 
   /* set up network time button */
-  using_ntp = get_using_ntp ();
+  error = NULL;
+  using_ntp = can_use_ntp = FALSE;
+  if (!date_time_mechanism_call_get_using_ntp_sync (priv->dtm,
+                                                    &can_use_ntp,
+                                                    &using_ntp,
+                                                    priv->cancellable,
+                                                    &error))
+    {
+      g_warning ("Failed to get using ntp: %s", error->message);
+      g_error_free (error);
+    }
+
   gtk_switch_set_active (GTK_SWITCH (W("network_time_switch")), using_ntp);
   update_widget_state_for_ntp (self, using_ntp);
   g_signal_connect (W("network_time_switch"), "notify::active",
@@ -924,7 +1012,10 @@ cc_date_time_panel_init (CcDateTimePanel *self)
 
   /* After the initial setup, so we can be sure that
    * the model is filled up */
-  get_system_timezone_async ((GetTimezoneFunc) get_timezone_cb, self, NULL);
+  date_time_mechanism_call_get_timezone (priv->dtm,
+                                         priv->cancellable,
+                                         get_timezone_cb,
+                                         self);
 
   queue_clock_update (self);
 
diff --git a/panels/datetime/dtm.c b/panels/datetime/dtm.c
new file mode 100644
index 0000000..f51b3db
--- /dev/null
+++ b/panels/datetime/dtm.c
@@ -0,0 +1,3085 @@
+/*
+ * Generated by gdbus-codegen 2.29.5. DO NOT EDIT.
+ *
+ * The license of this code is the same as for the source it was derived from.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "dtm.h"
+
+typedef struct
+{
+  GDBusArgInfo parent_struct;
+  gboolean use_gvariant;
+} _ExtendedGDBusArgInfo;
+
+typedef struct
+{
+  GDBusMethodInfo parent_struct;
+  const gchar *signal_name;
+} _ExtendedGDBusMethodInfo;
+
+typedef struct
+{
+  GDBusSignalInfo parent_struct;
+  const gchar *signal_name;
+} _ExtendedGDBusSignalInfo;
+
+typedef struct
+{
+  GDBusPropertyInfo parent_struct;
+  const gchar *hyphen_name;
+  gboolean use_gvariant;
+} _ExtendedGDBusPropertyInfo;
+
+typedef struct
+{
+  GDBusInterfaceInfo parent_struct;
+  const gchar *hyphen_name;
+} _ExtendedGDBusInterfaceInfo;
+
+typedef struct
+{
+  const _ExtendedGDBusPropertyInfo *info;
+  guint prop_id;
+  GValue orig_value; /* the value before the change */
+} ChangedProperty;
+
+static void
+_changed_property_free (ChangedProperty *data)
+{
+  g_value_unset (&data->orig_value);
+  g_free (data);
+}
+
+static gboolean
+_g_strv_equal0 (gchar **a, gchar **b)
+{
+  gboolean ret = FALSE;
+  guint n;
+  if (a == NULL && b == NULL)
+    {
+      ret = TRUE;
+      goto out;
+    }
+  if (a == NULL || b == NULL)
+    goto out;
+  if (g_strv_length (a) != g_strv_length (b))
+    goto out;
+  for (n = 0; a[n] != NULL; n++)
+    if (g_strcmp0 (a[n], b[n]) != 0)
+      goto out;
+  ret = TRUE;
+out:
+  return ret;
+}
+
+static gboolean
+_g_variant_equal0 (GVariant *a, GVariant *b)
+{
+  gboolean ret = FALSE;
+  if (a == NULL && b == NULL)
+    {
+      ret = TRUE;
+      goto out;
+    }
+  if (a == NULL || b == NULL)
+    goto out;
+  ret = g_variant_equal (a, b);
+out:
+  return ret;
+}
+
+G_GNUC_UNUSED static gboolean
+_g_value_equal (const GValue *a, const GValue *b)
+{
+  gboolean ret = FALSE;
+  g_assert (G_VALUE_TYPE (a) == G_VALUE_TYPE (b));
+  switch (G_VALUE_TYPE (a))
+    {
+      case G_TYPE_BOOLEAN:
+        ret = (g_value_get_boolean (a) == g_value_get_boolean (b));
+        break;
+      case G_TYPE_UCHAR:
+        ret = (g_value_get_uchar (a) == g_value_get_uchar (b));
+        break;
+      case G_TYPE_INT:
+        ret = (g_value_get_int (a) == g_value_get_int (b));
+        break;
+      case G_TYPE_UINT:
+        ret = (g_value_get_uint (a) == g_value_get_uint (b));
+        break;
+      case G_TYPE_INT64:
+        ret = (g_value_get_int64 (a) == g_value_get_int64 (b));
+        break;
+      case G_TYPE_UINT64:
+        ret = (g_value_get_uint64 (a) == g_value_get_uint64 (b));
+        break;
+      case G_TYPE_DOUBLE:
+        ret = (g_value_get_double (a) == g_value_get_double (b));
+        break;
+      case G_TYPE_STRING:
+        ret = (g_strcmp0 (g_value_get_string (a), g_value_get_string (b)) == 0);
+        break;
+      case G_TYPE_VARIANT:
+        ret = _g_variant_equal0 (g_value_get_variant (a), g_value_get_variant (b));
+        break;
+      default:
+        if (G_VALUE_TYPE (a) == G_TYPE_STRV)
+          ret = _g_strv_equal0 (g_value_get_boxed (a), g_value_get_boxed (b));
+        else
+          g_critical ("_g_value_equal() does not handle type %s", g_type_name (G_VALUE_TYPE (a)));
+        break;
+    }
+  return ret;
+}
+
+/* ------------------------------------------------------------------------
+ * Code for interface org.gnome.SettingsDaemon.DateTimeMechanism
+ * ------------------------------------------------------------------------
+ */
+
+/**
+ * SECTION:DateTimeMechanism
+ * @title: DateTimeMechanism
+ * @short_description: Generated C code for the org.gnome.SettingsDaemon.DateTimeMechanism D-Bus interface
+ *
+ * This section contains code for working with the <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link> D-Bus interface in C.
+ */
+
+/* ---- Introspection data for org.gnome.SettingsDaemon.DateTimeMechanism ---- */
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_timezone_IN_ARG_tz =
+{
+  {
+    -1,
+    "tz",
+    "s",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_set_timezone_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_timezone_IN_ARG_tz,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_set_timezone_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_set_timezone_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_set_timezone_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_set_timezone =
+{
+  {
+    -1,
+    "SetTimezone",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_set_timezone_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_set_timezone_annotation_info_pointers
+  },
+  "handle-set-timezone"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_get_timezone_OUT_ARG_timezone =
+{
+  {
+    -1,
+    "timezone",
+    "s",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_get_timezone_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_get_timezone_OUT_ARG_timezone,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_get_timezone_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_get_timezone_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_get_timezone_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_get_timezone =
+{
+  {
+    -1,
+    "GetTimezone",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_get_timezone_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_get_timezone_annotation_info_pointers
+  },
+  "handle-get-timezone"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_can_set_timezone_OUT_ARG_value =
+{
+  {
+    -1,
+    "value",
+    "i",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_can_set_timezone_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_can_set_timezone_OUT_ARG_value,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_can_set_timezone_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_can_set_timezone_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_can_set_timezone_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_can_set_timezone =
+{
+  {
+    -1,
+    "CanSetTimezone",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_can_set_timezone_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_can_set_timezone_annotation_info_pointers
+  },
+  "handle-can-set-timezone"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_date_IN_ARG_day =
+{
+  {
+    -1,
+    "day",
+    "u",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_date_IN_ARG_month =
+{
+  {
+    -1,
+    "month",
+    "u",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_date_IN_ARG_year =
+{
+  {
+    -1,
+    "year",
+    "u",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_set_date_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_date_IN_ARG_day,
+  &_date_time_mechanism_method_info_set_date_IN_ARG_month,
+  &_date_time_mechanism_method_info_set_date_IN_ARG_year,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_set_date_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_set_date_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_set_date_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_set_date =
+{
+  {
+    -1,
+    "SetDate",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_set_date_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_set_date_annotation_info_pointers
+  },
+  "handle-set-date"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_time_IN_ARG_seconds_since_epoch =
+{
+  {
+    -1,
+    "seconds_since_epoch",
+    "x",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_set_time_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_time_IN_ARG_seconds_since_epoch,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_set_time_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_set_time_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_set_time_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_set_time =
+{
+  {
+    -1,
+    "SetTime",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_set_time_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_set_time_annotation_info_pointers
+  },
+  "handle-set-time"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_can_set_time_OUT_ARG_value =
+{
+  {
+    -1,
+    "value",
+    "i",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_can_set_time_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_can_set_time_OUT_ARG_value,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_can_set_time_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_can_set_time_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_can_set_time_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_can_set_time =
+{
+  {
+    -1,
+    "CanSetTime",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_can_set_time_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_can_set_time_annotation_info_pointers
+  },
+  "handle-can-set-time"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_adjust_time_IN_ARG_seconds_to_add =
+{
+  {
+    -1,
+    "seconds_to_add",
+    "x",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_adjust_time_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_adjust_time_IN_ARG_seconds_to_add,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_adjust_time_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_adjust_time_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_adjust_time_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_adjust_time =
+{
+  {
+    -1,
+    "AdjustTime",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_adjust_time_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_adjust_time_annotation_info_pointers
+  },
+  "handle-adjust-time"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_get_hardware_clock_using_utc_OUT_ARG_is_using_utc =
+{
+  {
+    -1,
+    "is_using_utc",
+    "b",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_get_hardware_clock_using_utc_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_get_hardware_clock_using_utc_OUT_ARG_is_using_utc,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_get_hardware_clock_using_utc_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_get_hardware_clock_using_utc_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_get_hardware_clock_using_utc_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_get_hardware_clock_using_utc =
+{
+  {
+    -1,
+    "GetHardwareClockUsingUtc",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_get_hardware_clock_using_utc_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_get_hardware_clock_using_utc_annotation_info_pointers
+  },
+  "handle-get-hardware-clock-using-utc"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_hardware_clock_using_utc_IN_ARG_is_using_utc =
+{
+  {
+    -1,
+    "is_using_utc",
+    "b",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_set_hardware_clock_using_utc_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_hardware_clock_using_utc_IN_ARG_is_using_utc,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_set_hardware_clock_using_utc_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_set_hardware_clock_using_utc_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_set_hardware_clock_using_utc_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_set_hardware_clock_using_utc =
+{
+  {
+    -1,
+    "SetHardwareClockUsingUtc",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_set_hardware_clock_using_utc_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_set_hardware_clock_using_utc_annotation_info_pointers
+  },
+  "handle-set-hardware-clock-using-utc"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_get_using_ntp_OUT_ARG_can_use_ntp =
+{
+  {
+    -1,
+    "can_use_ntp",
+    "b",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_get_using_ntp_OUT_ARG_is_using_ntp =
+{
+  {
+    -1,
+    "is_using_ntp",
+    "b",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_get_using_ntp_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_get_using_ntp_OUT_ARG_can_use_ntp,
+  &_date_time_mechanism_method_info_get_using_ntp_OUT_ARG_is_using_ntp,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_get_using_ntp_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_get_using_ntp_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_get_using_ntp_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_get_using_ntp =
+{
+  {
+    -1,
+    "GetUsingNtp",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_get_using_ntp_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_get_using_ntp_annotation_info_pointers
+  },
+  "handle-get-using-ntp"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_set_using_ntp_IN_ARG_is_using_ntp =
+{
+  {
+    -1,
+    "is_using_ntp",
+    "b",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_set_using_ntp_IN_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_using_ntp_IN_ARG_is_using_ntp,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_set_using_ntp_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_set_using_ntp_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_set_using_ntp_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_set_using_ntp =
+{
+  {
+    -1,
+    "SetUsingNtp",
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_set_using_ntp_IN_ARG_pointers,
+    NULL,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_set_using_ntp_annotation_info_pointers
+  },
+  "handle-set-using-ntp"
+};
+
+static const _ExtendedGDBusArgInfo _date_time_mechanism_method_info_can_set_using_ntp_OUT_ARG_value =
+{
+  {
+    -1,
+    "value",
+    "i",
+    NULL
+  },
+  FALSE
+};
+
+static const _ExtendedGDBusArgInfo * const _date_time_mechanism_method_info_can_set_using_ntp_OUT_ARG_pointers[] =
+{
+  &_date_time_mechanism_method_info_can_set_using_ntp_OUT_ARG_value,
+  NULL
+};
+
+static const GDBusAnnotationInfo _date_time_mechanism_method_can_set_using_ntp_annotation_info_0 =
+{
+  -1,
+  "org.freedesktop.DBus.GLib.Async",
+  "",
+  NULL
+};
+
+static const GDBusAnnotationInfo * const _date_time_mechanism_method_can_set_using_ntp_annotation_info_pointers[] =
+{
+  &_date_time_mechanism_method_can_set_using_ntp_annotation_info_0,
+  NULL
+};
+
+static const _ExtendedGDBusMethodInfo _date_time_mechanism_method_info_can_set_using_ntp =
+{
+  {
+    -1,
+    "CanSetUsingNtp",
+    NULL,
+    (GDBusArgInfo **) &_date_time_mechanism_method_info_can_set_using_ntp_OUT_ARG_pointers,
+    (GDBusAnnotationInfo **) &_date_time_mechanism_method_can_set_using_ntp_annotation_info_pointers
+  },
+  "handle-can-set-using-ntp"
+};
+
+static const _ExtendedGDBusMethodInfo * const _date_time_mechanism_method_info_pointers[] =
+{
+  &_date_time_mechanism_method_info_set_timezone,
+  &_date_time_mechanism_method_info_get_timezone,
+  &_date_time_mechanism_method_info_can_set_timezone,
+  &_date_time_mechanism_method_info_set_date,
+  &_date_time_mechanism_method_info_set_time,
+  &_date_time_mechanism_method_info_can_set_time,
+  &_date_time_mechanism_method_info_adjust_time,
+  &_date_time_mechanism_method_info_get_hardware_clock_using_utc,
+  &_date_time_mechanism_method_info_set_hardware_clock_using_utc,
+  &_date_time_mechanism_method_info_get_using_ntp,
+  &_date_time_mechanism_method_info_set_using_ntp,
+  &_date_time_mechanism_method_info_can_set_using_ntp,
+  NULL
+};
+
+static const _ExtendedGDBusInterfaceInfo _date_time_mechanism_interface_info =
+{
+  {
+    -1,
+    "org.gnome.SettingsDaemon.DateTimeMechanism",
+    (GDBusMethodInfo **) &_date_time_mechanism_method_info_pointers,
+    NULL,
+    NULL,
+    NULL
+  },
+  "date-time-mechanism",
+};
+
+
+/**
+ * date_time_mechanism_interface_info:
+ *
+ * Gets a machine-readable description of the <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link> D-Bus interface.
+ *
+ * Returns: (transfer none): A #GDBusInterfaceInfo. Do not free.
+ */
+GDBusInterfaceInfo *
+date_time_mechanism_interface_info (void)
+{
+  return (GDBusInterfaceInfo *) &_date_time_mechanism_interface_info;
+}
+
+
+
+/**
+ * DateTimeMechanism:
+ *
+ * Abstract interface type for the D-Bus interface <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link>.
+ */
+
+/**
+ * DateTimeMechanismIface:
+ * @parent_iface: The parent interface.
+ * @handle_adjust_time: Handler for the #DateTimeMechanism::handle-adjust-time signal.
+ * @handle_can_set_time: Handler for the #DateTimeMechanism::handle-can-set-time signal.
+ * @handle_can_set_timezone: Handler for the #DateTimeMechanism::handle-can-set-timezone signal.
+ * @handle_can_set_using_ntp: Handler for the #DateTimeMechanism::handle-can-set-using-ntp signal.
+ * @handle_get_hardware_clock_using_utc: Handler for the #DateTimeMechanism::handle-get-hardware-clock-using-utc signal.
+ * @handle_get_timezone: Handler for the #DateTimeMechanism::handle-get-timezone signal.
+ * @handle_get_using_ntp: Handler for the #DateTimeMechanism::handle-get-using-ntp signal.
+ * @handle_set_date: Handler for the #DateTimeMechanism::handle-set-date signal.
+ * @handle_set_hardware_clock_using_utc: Handler for the #DateTimeMechanism::handle-set-hardware-clock-using-utc signal.
+ * @handle_set_time: Handler for the #DateTimeMechanism::handle-set-time signal.
+ * @handle_set_timezone: Handler for the #DateTimeMechanism::handle-set-timezone signal.
+ * @handle_set_using_ntp: Handler for the #DateTimeMechanism::handle-set-using-ntp signal.
+ *
+ * Virtual table for the D-Bus interface <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link>.
+ */
+
+static void
+date_time_mechanism_default_init (DateTimeMechanismIface *iface)
+{
+  /* GObject signals for incoming D-Bus method calls: */
+  /**
+   * DateTimeMechanism::handle-set-timezone:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @tz: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTimezone">SetTimezone()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_set_timezone() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-set-timezone",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_set_timezone),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    2,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_STRING);
+
+  /**
+   * DateTimeMechanism::handle-get-timezone:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetTimezone">GetTimezone()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_get_timezone() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-get-timezone",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_get_timezone),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+  /**
+   * DateTimeMechanism::handle-can-set-timezone:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTimezone">CanSetTimezone()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_can_set_timezone() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-can-set-timezone",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_can_set_timezone),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+  /**
+   * DateTimeMechanism::handle-set-date:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @day: Argument passed by remote caller.
+   * @month: Argument passed by remote caller.
+   * @year: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetDate">SetDate()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_set_date() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-set-date",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_set_date),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    4,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT);
+
+  /**
+   * DateTimeMechanism::handle-set-time:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @seconds_since_epoch: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTime">SetTime()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_set_time() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-set-time",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_set_time),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    2,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_INT64);
+
+  /**
+   * DateTimeMechanism::handle-can-set-time:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTime">CanSetTime()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_can_set_time() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-can-set-time",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_can_set_time),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+  /**
+   * DateTimeMechanism::handle-adjust-time:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @seconds_to_add: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.AdjustTime">AdjustTime()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_adjust_time() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-adjust-time",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_adjust_time),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    2,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_INT64);
+
+  /**
+   * DateTimeMechanism::handle-get-hardware-clock-using-utc:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetHardwareClockUsingUtc">GetHardwareClockUsingUtc()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_get_hardware_clock_using_utc() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-get-hardware-clock-using-utc",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_get_hardware_clock_using_utc),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+  /**
+   * DateTimeMechanism::handle-set-hardware-clock-using-utc:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @is_using_utc: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetHardwareClockUsingUtc">SetHardwareClockUsingUtc()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_set_hardware_clock_using_utc() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-set-hardware-clock-using-utc",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_set_hardware_clock_using_utc),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    2,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_BOOLEAN);
+
+  /**
+   * DateTimeMechanism::handle-get-using-ntp:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetUsingNtp">GetUsingNtp()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_get_using_ntp() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-get-using-ntp",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_get_using_ntp),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+  /**
+   * DateTimeMechanism::handle-set-using-ntp:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   * @is_using_ntp: Argument passed by remote caller.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetUsingNtp">SetUsingNtp()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_set_using_ntp() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-set-using-ntp",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_set_using_ntp),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    2,
+    G_TYPE_DBUS_METHOD_INVOCATION, G_TYPE_BOOLEAN);
+
+  /**
+   * DateTimeMechanism::handle-can-set-using-ntp:
+   * @object: A #DateTimeMechanism.
+   * @invocation: A #GDBusMethodInvocation.
+   *
+   * Signal emitted when a remote caller is invoking the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetUsingNtp">CanSetUsingNtp()</link> D-Bus method.
+   *
+   * If a signal handler returns %TRUE, it means the signal handler will handle the invocation (e.g. take a reference to @invocation and eventually call date_time_mechanism_complete_can_set_using_ntp() or e.g. g_dbus_method_invocation_return_error() on it) and no order signal handlers will run. If no signal handler handles the invocation, the %G_DBUS_ERROR_UNKNOWN_METHOD error is returned.
+   *
+   * Returns: %TRUE if the invocation was handled, %FALSE to let other signal handlers run.
+   */
+  g_signal_new ("handle-can-set-using-ntp",
+    G_TYPE_FROM_INTERFACE (iface),
+    G_SIGNAL_RUN_LAST,
+    G_STRUCT_OFFSET (DateTimeMechanismIface, handle_can_set_using_ntp),
+    g_signal_accumulator_true_handled,
+    NULL,
+    g_cclosure_marshal_generic,
+    G_TYPE_BOOLEAN,
+    1,
+    G_TYPE_DBUS_METHOD_INVOCATION);
+
+}
+
+typedef DateTimeMechanismIface DateTimeMechanismInterface;
+G_DEFINE_INTERFACE (DateTimeMechanism, date_time_mechanism, G_TYPE_OBJECT);
+
+/**
+ * date_time_mechanism_call_set_timezone:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @tz: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTimezone">SetTimezone()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_set_timezone_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_set_timezone_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_set_timezone (
+    DateTimeMechanism *proxy,
+    const gchar *tz,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "SetTimezone",
+    g_variant_new ("(s)",
+                   tz),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_set_timezone_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_set_timezone().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_set_timezone().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_timezone_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_timezone_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @tz: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTimezone">SetTimezone()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_set_timezone() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_timezone_sync (
+    DateTimeMechanism *proxy,
+    const gchar *tz,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "SetTimezone",
+    g_variant_new ("(s)",
+                   tz),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_timezone:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetTimezone">GetTimezone()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_get_timezone_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_get_timezone_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_get_timezone (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "GetTimezone",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_get_timezone_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_timezone: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_get_timezone().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_get_timezone().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_timezone_finish (
+    DateTimeMechanism *proxy,
+    gchar **out_timezone,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(s)",
+                 out_timezone);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_timezone_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_timezone: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetTimezone">GetTimezone()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_get_timezone() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_timezone_sync (
+    DateTimeMechanism *proxy,
+    gchar **out_timezone,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "GetTimezone",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(s)",
+                 out_timezone);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_timezone:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTimezone">CanSetTimezone()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_can_set_timezone_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_can_set_timezone_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_can_set_timezone (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "CanSetTimezone",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_can_set_timezone_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_can_set_timezone().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_can_set_timezone().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_timezone_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_timezone_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTimezone">CanSetTimezone()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_can_set_timezone() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_timezone_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "CanSetTimezone",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_date:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @day: Argument to pass with the method invocation.
+ * @month: Argument to pass with the method invocation.
+ * @year: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetDate">SetDate()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_set_date_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_set_date_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_set_date (
+    DateTimeMechanism *proxy,
+    guint day,
+    guint month,
+    guint year,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "SetDate",
+    g_variant_new ("(uuu)",
+                   day,
+                   month,
+                   year),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_set_date_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_set_date().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_set_date().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_date_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_date_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @day: Argument to pass with the method invocation.
+ * @month: Argument to pass with the method invocation.
+ * @year: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetDate">SetDate()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_set_date() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_date_sync (
+    DateTimeMechanism *proxy,
+    guint day,
+    guint month,
+    guint year,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "SetDate",
+    g_variant_new ("(uuu)",
+                   day,
+                   month,
+                   year),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_time:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @seconds_since_epoch: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTime">SetTime()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_set_time_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_set_time_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_set_time (
+    DateTimeMechanism *proxy,
+    gint64 seconds_since_epoch,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "SetTime",
+    g_variant_new ("(x)",
+                   seconds_since_epoch),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_set_time_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_set_time().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_set_time().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_time_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_time_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @seconds_since_epoch: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTime">SetTime()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_set_time() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_time_sync (
+    DateTimeMechanism *proxy,
+    gint64 seconds_since_epoch,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "SetTime",
+    g_variant_new ("(x)",
+                   seconds_since_epoch),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_time:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTime">CanSetTime()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_can_set_time_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_can_set_time_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_can_set_time (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "CanSetTime",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_can_set_time_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_can_set_time().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_can_set_time().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_time_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_time_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTime">CanSetTime()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_can_set_time() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_time_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "CanSetTime",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_adjust_time:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @seconds_to_add: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.AdjustTime">AdjustTime()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_adjust_time_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_adjust_time_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_adjust_time (
+    DateTimeMechanism *proxy,
+    gint64 seconds_to_add,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "AdjustTime",
+    g_variant_new ("(x)",
+                   seconds_to_add),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_adjust_time_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_adjust_time().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_adjust_time().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_adjust_time_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_adjust_time_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @seconds_to_add: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.AdjustTime">AdjustTime()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_adjust_time() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_adjust_time_sync (
+    DateTimeMechanism *proxy,
+    gint64 seconds_to_add,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "AdjustTime",
+    g_variant_new ("(x)",
+                   seconds_to_add),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_hardware_clock_using_utc:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetHardwareClockUsingUtc">GetHardwareClockUsingUtc()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_get_hardware_clock_using_utc_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_get_hardware_clock_using_utc_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_get_hardware_clock_using_utc (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "GetHardwareClockUsingUtc",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_get_hardware_clock_using_utc_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_is_using_utc: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_get_hardware_clock_using_utc().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_get_hardware_clock_using_utc().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_hardware_clock_using_utc_finish (
+    DateTimeMechanism *proxy,
+    gboolean *out_is_using_utc,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(b)",
+                 out_is_using_utc);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_hardware_clock_using_utc_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_is_using_utc: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetHardwareClockUsingUtc">GetHardwareClockUsingUtc()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_get_hardware_clock_using_utc() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_hardware_clock_using_utc_sync (
+    DateTimeMechanism *proxy,
+    gboolean *out_is_using_utc,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "GetHardwareClockUsingUtc",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(b)",
+                 out_is_using_utc);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_hardware_clock_using_utc:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @is_using_utc: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetHardwareClockUsingUtc">SetHardwareClockUsingUtc()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_set_hardware_clock_using_utc_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_set_hardware_clock_using_utc_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_set_hardware_clock_using_utc (
+    DateTimeMechanism *proxy,
+    gboolean is_using_utc,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "SetHardwareClockUsingUtc",
+    g_variant_new ("(b)",
+                   is_using_utc),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_set_hardware_clock_using_utc_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_set_hardware_clock_using_utc().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_set_hardware_clock_using_utc().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_hardware_clock_using_utc_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_hardware_clock_using_utc_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @is_using_utc: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetHardwareClockUsingUtc">SetHardwareClockUsingUtc()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_set_hardware_clock_using_utc() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_hardware_clock_using_utc_sync (
+    DateTimeMechanism *proxy,
+    gboolean is_using_utc,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "SetHardwareClockUsingUtc",
+    g_variant_new ("(b)",
+                   is_using_utc),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_using_ntp:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetUsingNtp">GetUsingNtp()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_get_using_ntp_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_get_using_ntp_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_get_using_ntp (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "GetUsingNtp",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_get_using_ntp_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_can_use_ntp: (out): Return location for return parameter or %NULL to ignore.
+ * @out_is_using_ntp: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_get_using_ntp().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_get_using_ntp().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    gboolean *out_can_use_ntp,
+    gboolean *out_is_using_ntp,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(bb)",
+                 out_can_use_ntp,
+                 out_is_using_ntp);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_get_using_ntp_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_can_use_ntp: (out): Return location for return parameter or %NULL to ignore.
+ * @out_is_using_ntp: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetUsingNtp">GetUsingNtp()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_get_using_ntp() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_get_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gboolean *out_can_use_ntp,
+    gboolean *out_is_using_ntp,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "GetUsingNtp",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(bb)",
+                 out_can_use_ntp,
+                 out_is_using_ntp);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_using_ntp:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @is_using_ntp: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetUsingNtp">SetUsingNtp()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_set_using_ntp_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_set_using_ntp_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_set_using_ntp (
+    DateTimeMechanism *proxy,
+    gboolean is_using_ntp,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "SetUsingNtp",
+    g_variant_new ("(b)",
+                   is_using_ntp),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_set_using_ntp_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_set_using_ntp().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_set_using_ntp().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_set_using_ntp_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @is_using_ntp: Argument to pass with the method invocation.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetUsingNtp">SetUsingNtp()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_set_using_ntp() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_set_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gboolean is_using_ntp,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "SetUsingNtp",
+    g_variant_new ("(b)",
+                   is_using_ntp),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "()");
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_using_ntp:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied or %NULL.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetUsingNtp">CanSetUsingNtp()</link> D-Bus method on @proxy.
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_call_can_set_using_ntp_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_call_can_set_using_ntp_sync() for the synchronous, blocking version of this method.
+ */
+void
+date_time_mechanism_call_can_set_using_ntp (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data)
+{
+  g_dbus_proxy_call (G_DBUS_PROXY (proxy),
+    "CanSetUsingNtp",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    callback,
+    user_data);
+}
+
+/**
+ * date_time_mechanism_call_can_set_using_ntp_finish:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_call_can_set_using_ntp().
+ * @error: Return location for error or %NULL.
+ *
+ * Finishes an operation started with date_time_mechanism_call_can_set_using_ntp().
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_finish (G_DBUS_PROXY (proxy), res, error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_call_can_set_using_ntp_sync:
+ * @proxy: A #DateTimeMechanismProxy.
+ * @out_value: (out): Return location for return parameter or %NULL to ignore.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL.
+ *
+ * Synchronously invokes the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetUsingNtp">CanSetUsingNtp()</link> D-Bus method on @proxy. The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_call_can_set_using_ntp() for the asynchronous version of this method.
+ *
+ * Returns: %TRUE if the call succeded, %FALSE if @error is set.
+ */
+gboolean
+date_time_mechanism_call_can_set_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error)
+{
+  GVariant *_ret;
+  _ret = g_dbus_proxy_call_sync (G_DBUS_PROXY (proxy),
+    "CanSetUsingNtp",
+    g_variant_new ("()"),
+    G_DBUS_CALL_FLAGS_NONE,
+    -1,
+    cancellable,
+    error);
+  if (_ret == NULL)
+    goto _out;
+  g_variant_get (_ret,
+                 "(i)",
+                 out_value);
+  g_variant_unref (_ret);
+_out:
+  return _ret != NULL;
+}
+
+/**
+ * date_time_mechanism_complete_set_timezone:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTimezone">SetTimezone()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_set_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_get_timezone:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @timezone: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetTimezone">GetTimezone()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_get_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    const gchar *timezone)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(s)",
+                   timezone));
+}
+
+/**
+ * date_time_mechanism_complete_can_set_timezone:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @value: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTimezone">CanSetTimezone()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_can_set_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(i)",
+                   value));
+}
+
+/**
+ * date_time_mechanism_complete_set_date:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetDate">SetDate()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_set_date (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_set_time:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetTime">SetTime()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_set_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_can_set_time:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @value: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetTime">CanSetTime()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_can_set_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(i)",
+                   value));
+}
+
+/**
+ * date_time_mechanism_complete_adjust_time:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.AdjustTime">AdjustTime()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_adjust_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_get_hardware_clock_using_utc:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @is_using_utc: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetHardwareClockUsingUtc">GetHardwareClockUsingUtc()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_get_hardware_clock_using_utc (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean is_using_utc)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(b)",
+                   is_using_utc));
+}
+
+/**
+ * date_time_mechanism_complete_set_hardware_clock_using_utc:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetHardwareClockUsingUtc">SetHardwareClockUsingUtc()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_set_hardware_clock_using_utc (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_get_using_ntp:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @can_use_ntp: Parameter to return.
+ * @is_using_ntp: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.GetUsingNtp">GetUsingNtp()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_get_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean can_use_ntp,
+    gboolean is_using_ntp)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(bb)",
+                   can_use_ntp,
+                   is_using_ntp));
+}
+
+/**
+ * date_time_mechanism_complete_set_using_ntp:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.SetUsingNtp">SetUsingNtp()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_set_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("()"));
+}
+
+/**
+ * date_time_mechanism_complete_can_set_using_ntp:
+ * @object: A #DateTimeMechanism.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @value: Parameter to return.
+ *
+ * Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-SettingsDaemon-DateTimeMechanism.CanSetUsingNtp">CanSetUsingNtp()</link> D-Bus method. If you instead want to finish handling an invocation by returning an error, use g_dbus_method_invocation_return_error() or similar.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ */
+void
+date_time_mechanism_complete_can_set_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value)
+{
+  g_dbus_method_invocation_return_value (invocation,
+    g_variant_new ("(i)",
+                   value));
+}
+
+/* ------------------------------------------------------------------------ */
+
+/**
+ * DateTimeMechanismProxy:
+ *
+ * The #DateTimeMechanismProxy structure contains only private data and should only be accessed using the provided API.
+ */
+
+/**
+ * DateTimeMechanismProxyClass:
+ * @parent_class: The parent class.
+ *
+ * Class structure for #DateTimeMechanismProxy.
+ */
+
+static void
+date_time_mechanism_proxy_iface_init (DateTimeMechanismIface *iface)
+{
+}
+
+#define date_time_mechanism_proxy_get_type date_time_mechanism_proxy_get_type
+G_DEFINE_TYPE_WITH_CODE (DateTimeMechanismProxy, date_time_mechanism_proxy, G_TYPE_DBUS_PROXY,
+                         G_IMPLEMENT_INTERFACE (TYPE_DATE_TIME_MECHANISM, date_time_mechanism_proxy_iface_init));
+#undef date_time_mechanism_proxy_get_type
+
+static void
+date_time_mechanism_proxy_get_property (GObject      *object,
+  guint         prop_id,
+  GValue       *value,
+  GParamSpec   *pspec)
+{
+}
+
+static void
+date_time_mechanism_proxy_set_property (GObject      *object,
+  guint         prop_id,
+  const GValue *value,
+  GParamSpec   *pspec)
+{
+}
+
+static void
+date_time_mechanism_proxy_g_signal (GDBusProxy *proxy,
+  const gchar *sender_name,
+  const gchar *signal_name,
+  GVariant *parameters)
+{
+  _ExtendedGDBusSignalInfo *info;
+  GVariantIter iter;
+  GVariant *child;
+  GValue *paramv;
+  guint num_params;
+  guint n;
+  guint signal_id;
+  info = (_ExtendedGDBusSignalInfo *) g_dbus_interface_info_lookup_signal ((GDBusInterfaceInfo *) &_date_time_mechanism_interface_info, signal_name);
+  if (info == NULL)
+    return;
+  num_params = g_variant_n_children (parameters);
+  paramv = g_new0 (GValue, num_params + 1);
+  g_value_init (&paramv[0], TYPE_DATE_TIME_MECHANISM);
+  g_value_set_object (&paramv[0], proxy);
+  g_variant_iter_init (&iter, parameters);
+  n = 1;
+  while ((child = g_variant_iter_next_value (&iter)) != NULL)
+    {
+      _ExtendedGDBusArgInfo *arg_info = (_ExtendedGDBusArgInfo *) info->parent_struct.args[n - 1];
+      if (arg_info->use_gvariant)
+        {
+          g_value_init (&paramv[n], G_TYPE_VARIANT);
+          g_value_set_variant (&paramv[n], child);
+          n++;
+        }
+      else
+        g_dbus_gvariant_to_gvalue (child, &paramv[n++]);
+      g_variant_unref (child);
+    }
+  signal_id = g_signal_lookup (info->signal_name, TYPE_DATE_TIME_MECHANISM);
+  g_signal_emitv (paramv, signal_id, 0, NULL);
+  for (n = 0; n < num_params + 1; n++)
+    g_value_unset (&paramv[n]);
+  g_free (paramv);
+}
+
+static void
+date_time_mechanism_proxy_g_properties_changed (GDBusProxy *proxy,
+  GVariant *changed_properties,
+  const gchar *const *invalidated_properties)
+{
+  guint n;
+  const gchar *key;
+  GVariantIter *iter;
+  _ExtendedGDBusPropertyInfo *info;
+  g_variant_get (changed_properties, "a{sv}", &iter);
+  while (g_variant_iter_next (iter, "{&sv}", &key, NULL))
+    {
+      info = (_ExtendedGDBusPropertyInfo *) g_dbus_interface_info_lookup_property ((GDBusInterfaceInfo *) &_date_time_mechanism_interface_info, key);
+      if (info != NULL)
+        g_object_notify (G_OBJECT (proxy), info->hyphen_name);
+    }
+  g_variant_iter_free (iter);
+  for (n = 0; invalidated_properties[n] != NULL; n++)
+    {
+      info = (_ExtendedGDBusPropertyInfo *) g_dbus_interface_info_lookup_property ((GDBusInterfaceInfo *) &_date_time_mechanism_interface_info, invalidated_properties[n]);
+      if (info != NULL)
+        g_object_notify (G_OBJECT (proxy), info->hyphen_name);
+    }
+}
+
+static void
+date_time_mechanism_proxy_init (DateTimeMechanismProxy *proxy)
+{
+  g_dbus_proxy_set_interface_info (G_DBUS_PROXY (proxy), date_time_mechanism_interface_info ());
+}
+
+static void
+date_time_mechanism_proxy_class_init (DateTimeMechanismProxyClass *klass)
+{
+  GObjectClass *gobject_class;
+  GDBusProxyClass *proxy_class;
+
+  gobject_class = G_OBJECT_CLASS (klass);
+  gobject_class->get_property = date_time_mechanism_proxy_get_property;
+  gobject_class->set_property = date_time_mechanism_proxy_set_property;
+
+  proxy_class = G_DBUS_PROXY_CLASS (klass);
+  proxy_class->g_signal = date_time_mechanism_proxy_g_signal;
+  proxy_class->g_properties_changed = date_time_mechanism_proxy_g_properties_changed;
+
+}
+
+/**
+ * date_time_mechanism_proxy_new:
+ * @connection: A #GDBusConnection.
+ * @flags: Flags from the #GDBusProxyFlags enumeration.
+ * @name: (allow-none): A bus name (well-known or unique) or %NULL if @connection is not a message bus connection.
+ * @object_path: An object path.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied.
+ * @user_data: User data to pass to @callback.
+ *
+ * Asynchronously creates a proxy for the D-Bus interface <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link>. See g_dbus_proxy_new() for more details.
+ *
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_proxy_new_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_proxy_new_sync() for the synchronous, blocking version of this constructor.
+ */
+void
+date_time_mechanism_proxy_new (
+    GDBusConnection     *connection,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GAsyncReadyCallback  callback,
+    gpointer             user_data)
+{
+  g_async_initable_new_async (TYPE_DATE_TIME_MECHANISM_PROXY, G_PRIORITY_DEFAULT, cancellable, callback, user_data, "g-flags", flags, "g-name", name, "g-connection", connection, "g-object-path", object_path, "g-interface-name", "org.gnome.SettingsDaemon.DateTimeMechanism", NULL);
+}
+
+/**
+ * date_time_mechanism_proxy_new_finish:
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_proxy_new().
+ * @error: Return location for error or %NULL
+ *
+ * Finishes an operation started with date_time_mechanism_proxy_new().
+ *
+ * Returns: (transfer full) (type DateTimeMechanismProxy): The constructed proxy object or %NULL if @error is set.
+ */
+DateTimeMechanism *
+date_time_mechanism_proxy_new_finish (
+    GAsyncResult        *res,
+    GError             **error)
+{
+  GObject *ret;
+  GObject *source_object;
+  source_object = g_async_result_get_source_object (res);
+  ret = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object), res, error);
+  g_object_unref (source_object);
+  if (ret != NULL)
+    return DATE_TIME_MECHANISM (ret);
+  else
+    return NULL;
+}
+
+/**
+ * date_time_mechanism_proxy_new_sync:
+ * @connection: A #GDBusConnection.
+ * @flags: Flags from the #GDBusProxyFlags enumeration.
+ * @name: (allow-none): A bus name (well-known or unique) or %NULL if @connection is not a message bus connection.
+ * @object_path: An object path.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL
+ *
+ * Synchronously creates a proxy for the D-Bus interface <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link>. See g_dbus_proxy_new_sync() for more details.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_proxy_new() for the asynchronous version of this constructor.
+ *
+ * Returns: (transfer full) (type DateTimeMechanismProxy): The constructed proxy object or %NULL if @error is set.
+ */
+DateTimeMechanism *
+date_time_mechanism_proxy_new_sync (
+    GDBusConnection     *connection,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GError             **error)
+{
+  GInitable *ret;
+  ret = g_initable_new (TYPE_DATE_TIME_MECHANISM_PROXY, cancellable, error, "g-flags", flags, "g-name", name, "g-connection", connection, "g-object-path", object_path, "g-interface-name", "org.gnome.SettingsDaemon.DateTimeMechanism", NULL);
+  if (ret != NULL)
+    return DATE_TIME_MECHANISM (ret);
+  else
+    return NULL;
+}
+
+
+/**
+ * date_time_mechanism_proxy_new_for_bus:
+ * @bus_type: A #GBusType.
+ * @flags: Flags from the #GDBusProxyFlags enumeration.
+ * @name: A bus name (well-known or unique).
+ * @object_path: An object path.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @callback: A #GAsyncReadyCallback to call when the request is satisfied.
+ * @user_data: User data to pass to @callback.
+ *
+ * Like date_time_mechanism_proxy_new() but takes a #GBusType instead of a #GDBusConnection.
+ *
+ * When the operation is finished, @callback will be invoked in the <link linkend="g-main-context-push-thread-default">thread-default main loop</link> of the thread you are calling this method from.
+ * You can then call date_time_mechanism_proxy_new_for_bus_finish() to get the result of the operation.
+ *
+ * See date_time_mechanism_proxy_new_for_bus_sync() for the synchronous, blocking version of this constructor.
+ */
+void
+date_time_mechanism_proxy_new_for_bus (
+    GBusType             bus_type,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GAsyncReadyCallback  callback,
+    gpointer             user_data)
+{
+  g_async_initable_new_async (TYPE_DATE_TIME_MECHANISM_PROXY, G_PRIORITY_DEFAULT, cancellable, callback, user_data, "g-flags", flags, "g-name", name, "g-bus-type", bus_type, "g-object-path", object_path, "g-interface-name", "org.gnome.SettingsDaemon.DateTimeMechanism", NULL);
+}
+
+/**
+ * date_time_mechanism_proxy_new_for_bus_finish:
+ * @res: The #GAsyncResult obtained from the #GAsyncReadyCallback passed to date_time_mechanism_proxy_new_for_bus().
+ * @error: Return location for error or %NULL
+ *
+ * Finishes an operation started with date_time_mechanism_proxy_new_for_bus().
+ *
+ * Returns: (transfer full) (type DateTimeMechanismProxy): The constructed proxy object or %NULL if @error is set.
+ */
+DateTimeMechanism *
+date_time_mechanism_proxy_new_for_bus_finish (
+    GAsyncResult        *res,
+    GError             **error)
+{
+  GObject *ret;
+  GObject *source_object;
+  source_object = g_async_result_get_source_object (res);
+  ret = g_async_initable_new_finish (G_ASYNC_INITABLE (source_object), res, error);
+  g_object_unref (source_object);
+  if (ret != NULL)
+    return DATE_TIME_MECHANISM (ret);
+  else
+    return NULL;
+}
+
+/**
+ * date_time_mechanism_proxy_new_for_bus_sync:
+ * @bus_type: A #GBusType.
+ * @flags: Flags from the #GDBusProxyFlags enumeration.
+ * @name: A bus name (well-known or unique).
+ * @object_path: An object path.
+ * @cancellable: (allow-none): A #GCancellable or %NULL.
+ * @error: Return location for error or %NULL
+ *
+ * Like date_time_mechanism_proxy_new_sync() but takes a #GBusType instead of a #GDBusConnection.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * See date_time_mechanism_proxy_new_for_bus() for the asynchronous version of this constructor.
+ *
+ * Returns: (transfer full) (type DateTimeMechanismProxy): The constructed proxy object or %NULL if @error is set.
+ */
+DateTimeMechanism *
+date_time_mechanism_proxy_new_for_bus_sync (
+    GBusType             bus_type,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GError             **error)
+{
+  GInitable *ret;
+  ret = g_initable_new (TYPE_DATE_TIME_MECHANISM_PROXY, cancellable, error, "g-flags", flags, "g-name", name, "g-bus-type", bus_type, "g-object-path", object_path, "g-interface-name", "org.gnome.SettingsDaemon.DateTimeMechanism", NULL);
+  if (ret != NULL)
+    return DATE_TIME_MECHANISM (ret);
+  else
+    return NULL;
+}
+
+
+/* ------------------------------------------------------------------------ */
+
+/**
+ * DateTimeMechanismSkeleton:
+ *
+ * The #DateTimeMechanismSkeleton structure contains only private data and should only be accessed using the provided API.
+ */
+
+/**
+ * DateTimeMechanismSkeletonClass:
+ * @parent_class: The parent class.
+ *
+ * Class structure for #DateTimeMechanismSkeleton.
+ */
+
+struct _DateTimeMechanismSkeletonPrivate
+{
+  GValueArray *properties;
+  GList *changed_properties;
+  GSource *changed_properties_idle_source;
+  GMainContext *context;
+};
+
+static void
+_date_time_mechanism_skeleton_handle_method_call (
+  GDBusConnection *connection,
+  const gchar *sender,
+  const gchar *object_path,
+  const gchar *interface_name,
+  const gchar *method_name,
+  GVariant *parameters,
+  GDBusMethodInvocation *invocation,
+  gpointer user_data)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (user_data);
+  _ExtendedGDBusMethodInfo *info;
+  GVariantIter iter;
+  GVariant *child;
+  GValue *paramv;
+  guint num_params;
+  guint n;
+  guint signal_id;
+  GValue return_value = {0};
+  info = (_ExtendedGDBusMethodInfo *) g_dbus_method_invocation_get_method_info (invocation);
+  g_assert (info != NULL);
+  num_params = g_variant_n_children (parameters);
+  paramv = g_new0 (GValue, num_params + 2);
+  g_value_init (&paramv[0], TYPE_DATE_TIME_MECHANISM);
+  g_value_set_object (&paramv[0], skeleton);
+  g_value_init (&paramv[1], G_TYPE_DBUS_METHOD_INVOCATION);
+  g_value_set_object (&paramv[1], invocation);
+  g_variant_iter_init (&iter, parameters);
+  n = 2;
+  while ((child = g_variant_iter_next_value (&iter)) != NULL)
+    {
+      _ExtendedGDBusArgInfo *arg_info = (_ExtendedGDBusArgInfo *) info->parent_struct.in_args[n - 2];
+      if (arg_info->use_gvariant)
+        {
+          g_value_init (&paramv[n], G_TYPE_VARIANT);
+          g_value_set_variant (&paramv[n], child);
+          n++;
+        }
+      else
+        g_dbus_gvariant_to_gvalue (child, &paramv[n++]);
+      g_variant_unref (child);
+    }
+  signal_id = g_signal_lookup (info->signal_name, TYPE_DATE_TIME_MECHANISM);
+  g_value_init (&return_value, G_TYPE_BOOLEAN);
+  g_signal_emitv (paramv, signal_id, 0, &return_value);
+  if (!g_value_get_boolean (&return_value))
+    g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR, G_DBUS_ERROR_UNKNOWN_METHOD, "Method %s is not implemented on interface %s", method_name, interface_name);
+  g_value_unset (&return_value);
+  for (n = 0; n < num_params + 2; n++)
+    g_value_unset (&paramv[n]);
+  g_free (paramv);
+}
+
+static GVariant *
+_date_time_mechanism_skeleton_handle_get_property (
+  GDBusConnection *connection,
+  const gchar *sender,
+  const gchar *object_path,
+  const gchar *interface_name,
+  const gchar *property_name,
+  GError **error,
+  gpointer user_data)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (user_data);
+  GValue value = {0};
+  GParamSpec *pspec;
+  _ExtendedGDBusPropertyInfo *info;
+  GVariant *ret;
+  ret = NULL;
+  info = (_ExtendedGDBusPropertyInfo *) g_dbus_interface_info_lookup_property ((GDBusInterfaceInfo *) &_date_time_mechanism_interface_info, property_name);
+  g_assert (info != NULL);
+  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (skeleton), info->hyphen_name);
+  if (pspec == NULL)
+    {
+      g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "No property with name %s", property_name);
+    }
+  else
+    {
+      g_value_init (&value, pspec->value_type);
+      g_object_get_property (G_OBJECT (skeleton), info->hyphen_name, &value);
+      ret = g_dbus_gvalue_to_gvariant (&value, G_VARIANT_TYPE (info->parent_struct.signature));
+      g_value_unset (&value);
+    }
+  return ret;
+}
+
+static gboolean
+_date_time_mechanism_skeleton_handle_set_property (
+  GDBusConnection *connection,
+  const gchar *sender,
+  const gchar *object_path,
+  const gchar *interface_name,
+  const gchar *property_name,
+  GVariant *variant,
+  GError **error,
+  gpointer user_data)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (user_data);
+  GValue value = {0};
+  GParamSpec *pspec;
+  _ExtendedGDBusPropertyInfo *info;
+  gboolean ret;
+  ret = FALSE;
+  info = (_ExtendedGDBusPropertyInfo *) g_dbus_interface_info_lookup_property ((GDBusInterfaceInfo *) &_date_time_mechanism_interface_info, property_name);
+  g_assert (info != NULL);
+  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (skeleton), info->hyphen_name);
+  if (pspec == NULL)
+    {
+      g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, "No property with name %s", property_name);
+    }
+  else
+    {
+      if (info->use_gvariant)
+        g_value_set_variant (&value, variant);
+      else
+        g_dbus_gvariant_to_gvalue (variant, &value);
+      g_object_set_property (G_OBJECT (skeleton), info->hyphen_name, &value);
+      g_value_unset (&value);
+      ret = TRUE;
+    }
+  return ret;
+}
+
+static const GDBusInterfaceVTable _date_time_mechanism_skeleton_vtable =
+{
+  _date_time_mechanism_skeleton_handle_method_call,
+  _date_time_mechanism_skeleton_handle_get_property,
+  _date_time_mechanism_skeleton_handle_set_property
+};
+
+static GDBusInterfaceInfo *
+date_time_mechanism_skeleton_dbus_interface_get_info (GDBusInterfaceSkeleton *skeleton)
+{
+  return date_time_mechanism_interface_info ();
+}
+
+static GDBusInterfaceVTable *
+date_time_mechanism_skeleton_dbus_interface_get_vtable (GDBusInterfaceSkeleton *skeleton)
+{
+  return (GDBusInterfaceVTable *) &_date_time_mechanism_skeleton_vtable;
+}
+
+static GVariant *
+date_time_mechanism_skeleton_dbus_interface_get_properties (GDBusInterfaceSkeleton *_skeleton)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (_skeleton);
+
+  GVariantBuilder builder;
+  guint n;
+  g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
+  if (_date_time_mechanism_interface_info.parent_struct.properties == NULL)
+    goto out;
+  for (n = 0; _date_time_mechanism_interface_info.parent_struct.properties[n] != NULL; n++)
+    {
+      GDBusPropertyInfo *info = _date_time_mechanism_interface_info.parent_struct.properties[n];
+      if (info->flags & G_DBUS_PROPERTY_INFO_FLAGS_READABLE)
+        {
+          GVariant *value;
+          value = _date_time_mechanism_skeleton_handle_get_property (g_dbus_interface_skeleton_get_connection (G_DBUS_INTERFACE_SKELETON (skeleton)), NULL, g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (skeleton)), "org.gnome.SettingsDaemon.DateTimeMechanism", info->name, NULL, skeleton);
+          if (value != NULL)
+            {
+              if (g_variant_is_floating (value))
+                g_variant_ref_sink (value);
+              g_variant_builder_add (&builder, "{sv}", info->name, value);
+              g_variant_unref (value);
+            }
+        }
+    }
+out:
+  return g_variant_builder_end (&builder);
+}
+
+static void
+date_time_mechanism_skeleton_dbus_interface_flush (GDBusInterfaceSkeleton *_skeleton)
+{
+}
+
+static void
+date_time_mechanism_skeleton_iface_init (DateTimeMechanismIface *iface)
+{
+}
+
+#define date_time_mechanism_skeleton_get_type date_time_mechanism_skeleton_get_type
+G_DEFINE_TYPE_WITH_CODE (DateTimeMechanismSkeleton, date_time_mechanism_skeleton, G_TYPE_DBUS_INTERFACE_SKELETON,
+                         G_IMPLEMENT_INTERFACE (TYPE_DATE_TIME_MECHANISM, date_time_mechanism_skeleton_iface_init));
+#undef date_time_mechanism_skeleton_get_type
+
+static void
+date_time_mechanism_skeleton_finalize (GObject *object)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (object);
+  g_list_foreach (skeleton->priv->changed_properties, (GFunc) _changed_property_free, NULL);
+  g_list_free (skeleton->priv->changed_properties);
+  if (skeleton->priv->changed_properties_idle_source != NULL)
+    g_source_destroy (skeleton->priv->changed_properties_idle_source);
+  if (skeleton->priv->context != NULL)
+    g_main_context_unref (skeleton->priv->context);
+  G_OBJECT_CLASS (date_time_mechanism_skeleton_parent_class)->finalize (object);
+}
+
+static void
+date_time_mechanism_skeleton_get_property (GObject      *object,
+  guint         prop_id,
+  GValue       *value,
+  GParamSpec   *pspec)
+{
+  DateTimeMechanismSkeleton *skeleton = DATE_TIME_MECHANISM_SKELETON (object);
+  g_assert (prop_id != 0 && prop_id - 1 < 0);
+  g_value_copy (&skeleton->priv->properties->values[prop_id - 1], value);
+}
+
+static void
+date_time_mechanism_skeleton_set_property (GObject      *object,
+  guint         prop_id,
+  const GValue *value,
+  GParamSpec   *pspec)
+{
+}
+
+static void
+date_time_mechanism_skeleton_init (DateTimeMechanismSkeleton *skeleton)
+{
+  skeleton->priv = G_TYPE_INSTANCE_GET_PRIVATE (skeleton, TYPE_DATE_TIME_MECHANISM_SKELETON, DateTimeMechanismSkeletonPrivate);
+  skeleton->priv->context = g_main_context_get_thread_default ();
+  if (skeleton->priv->context != NULL)
+    g_main_context_ref (skeleton->priv->context);
+}
+
+static void
+date_time_mechanism_skeleton_class_init (DateTimeMechanismSkeletonClass *klass)
+{
+  GObjectClass *gobject_class;
+  GDBusInterfaceSkeletonClass *skeleton_class;
+
+  g_type_class_add_private (klass, sizeof (DateTimeMechanismSkeletonPrivate));
+
+  gobject_class = G_OBJECT_CLASS (klass);
+  gobject_class->finalize = date_time_mechanism_skeleton_finalize;
+  gobject_class->get_property = date_time_mechanism_skeleton_get_property;
+  gobject_class->set_property = date_time_mechanism_skeleton_set_property;
+
+
+  skeleton_class = G_DBUS_INTERFACE_SKELETON_CLASS (klass);
+  skeleton_class->get_info = date_time_mechanism_skeleton_dbus_interface_get_info;
+  skeleton_class->get_properties = date_time_mechanism_skeleton_dbus_interface_get_properties;
+  skeleton_class->flush = date_time_mechanism_skeleton_dbus_interface_flush;
+  skeleton_class->get_vtable = date_time_mechanism_skeleton_dbus_interface_get_vtable;
+}
+
+/**
+ * date_time_mechanism_skeleton_new:
+ *
+ * Creates a skeleton object for the D-Bus interface <link linkend="gdbus-interface-org-gnome-SettingsDaemon-DateTimeMechanism.top_of_page">org.gnome.SettingsDaemon.DateTimeMechanism</link>.
+ *
+ * Returns: (transfer full) (type DateTimeMechanismSkeleton): The skeleton object.
+ */
+DateTimeMechanism *
+date_time_mechanism_skeleton_new (void)
+{
+  return DATE_TIME_MECHANISM (g_object_new (TYPE_DATE_TIME_MECHANISM_SKELETON, NULL));
+}
+
diff --git a/panels/datetime/dtm.h b/panels/datetime/dtm.h
new file mode 100644
index 0000000..2ce03ff
--- /dev/null
+++ b/panels/datetime/dtm.h
@@ -0,0 +1,473 @@
+/*
+ * Generated by gdbus-codegen 2.29.5. DO NOT EDIT.
+ *
+ * The license of this code is the same as for the source it was derived from.
+ */
+
+#ifndef __DTM_H__
+#define __DTM_H__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+
+/* ------------------------------------------------------------------------ */
+/* Declarations for org.gnome.SettingsDaemon.DateTimeMechanism */
+
+#define TYPE_DATE_TIME_MECHANISM (date_time_mechanism_get_type ())
+#define DATE_TIME_MECHANISM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TYPE_DATE_TIME_MECHANISM, DateTimeMechanism))
+#define IS_DATE_TIME_MECHANISM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TYPE_DATE_TIME_MECHANISM))
+#define DATE_TIME_MECHANISM_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), TYPE_DATE_TIME_MECHANISM, DateTimeMechanism))
+
+struct _DateTimeMechanism;
+typedef struct _DateTimeMechanism DateTimeMechanism;
+typedef struct _DateTimeMechanismIface DateTimeMechanismIface;
+
+struct _DateTimeMechanismIface
+{
+  GTypeInterface parent_iface;
+
+  gboolean (*handle_adjust_time) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint64 seconds_to_add);
+
+  gboolean (*handle_can_set_time) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_can_set_timezone) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_can_set_using_ntp) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_get_hardware_clock_using_utc) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_get_timezone) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_get_using_ntp) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+  gboolean (*handle_set_date) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    guint day,
+    guint month,
+    guint year);
+
+  gboolean (*handle_set_hardware_clock_using_utc) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean is_using_utc);
+
+  gboolean (*handle_set_time) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint64 seconds_since_epoch);
+
+  gboolean (*handle_set_timezone) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    const gchar *tz);
+
+  gboolean (*handle_set_using_ntp) (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean is_using_ntp);
+
+};
+
+GType date_time_mechanism_get_type (void) G_GNUC_CONST;
+
+GDBusInterfaceInfo *date_time_mechanism_interface_info (void);
+
+
+/* D-Bus method call completion functions: */
+void date_time_mechanism_complete_set_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_get_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    const gchar *timezone);
+
+void date_time_mechanism_complete_can_set_timezone (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value);
+
+void date_time_mechanism_complete_set_date (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_set_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_can_set_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value);
+
+void date_time_mechanism_complete_adjust_time (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_get_hardware_clock_using_utc (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean is_using_utc);
+
+void date_time_mechanism_complete_set_hardware_clock_using_utc (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_get_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gboolean can_use_ntp,
+    gboolean is_using_ntp);
+
+void date_time_mechanism_complete_set_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation);
+
+void date_time_mechanism_complete_can_set_using_ntp (
+    DateTimeMechanism *object,
+    GDBusMethodInvocation *invocation,
+    gint value);
+
+
+
+/* D-Bus method calls: */
+void date_time_mechanism_call_set_timezone (
+    DateTimeMechanism *proxy,
+    const gchar *tz,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_set_timezone_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_set_timezone_sync (
+    DateTimeMechanism *proxy,
+    const gchar *tz,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_get_timezone (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_get_timezone_finish (
+    DateTimeMechanism *proxy,
+    gchar **out_timezone,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_get_timezone_sync (
+    DateTimeMechanism *proxy,
+    gchar **out_timezone,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_can_set_timezone (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_can_set_timezone_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_can_set_timezone_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_set_date (
+    DateTimeMechanism *proxy,
+    guint day,
+    guint month,
+    guint year,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_set_date_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_set_date_sync (
+    DateTimeMechanism *proxy,
+    guint day,
+    guint month,
+    guint year,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_set_time (
+    DateTimeMechanism *proxy,
+    gint64 seconds_since_epoch,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_set_time_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_set_time_sync (
+    DateTimeMechanism *proxy,
+    gint64 seconds_since_epoch,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_can_set_time (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_can_set_time_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_can_set_time_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_adjust_time (
+    DateTimeMechanism *proxy,
+    gint64 seconds_to_add,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_adjust_time_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_adjust_time_sync (
+    DateTimeMechanism *proxy,
+    gint64 seconds_to_add,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_get_hardware_clock_using_utc (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_get_hardware_clock_using_utc_finish (
+    DateTimeMechanism *proxy,
+    gboolean *out_is_using_utc,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_get_hardware_clock_using_utc_sync (
+    DateTimeMechanism *proxy,
+    gboolean *out_is_using_utc,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_set_hardware_clock_using_utc (
+    DateTimeMechanism *proxy,
+    gboolean is_using_utc,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_set_hardware_clock_using_utc_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_set_hardware_clock_using_utc_sync (
+    DateTimeMechanism *proxy,
+    gboolean is_using_utc,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_get_using_ntp (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_get_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    gboolean *out_can_use_ntp,
+    gboolean *out_is_using_ntp,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_get_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gboolean *out_can_use_ntp,
+    gboolean *out_is_using_ntp,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_set_using_ntp (
+    DateTimeMechanism *proxy,
+    gboolean is_using_ntp,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_set_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_set_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gboolean is_using_ntp,
+    GCancellable *cancellable,
+    GError **error);
+
+void date_time_mechanism_call_can_set_using_ntp (
+    DateTimeMechanism *proxy,
+    GCancellable *cancellable,
+    GAsyncReadyCallback callback,
+    gpointer user_data);
+
+gboolean date_time_mechanism_call_can_set_using_ntp_finish (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GAsyncResult *res,
+    GError **error);
+
+gboolean date_time_mechanism_call_can_set_using_ntp_sync (
+    DateTimeMechanism *proxy,
+    gint *out_value,
+    GCancellable *cancellable,
+    GError **error);
+
+
+
+/* ---- */
+
+#define TYPE_DATE_TIME_MECHANISM_PROXY (date_time_mechanism_proxy_get_type ())
+#define DATE_TIME_MECHANISM_PROXY(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TYPE_DATE_TIME_MECHANISM_PROXY, DateTimeMechanismProxy))
+#define DATE_TIME_MECHANISM_PROXY_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), TYPE_DATE_TIME_MECHANISM_PROXY, DateTimeMechanismProxyClass))
+#define DATE_TIME_MECHANISM_PROXY_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), TYPE_DATE_TIME_MECHANISM_PROXY, DateTimeMechanismProxyClass))
+#define IS_DATE_TIME_MECHANISM_PROXY(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TYPE_DATE_TIME_MECHANISM_PROXY))
+#define IS_DATE_TIME_MECHANISM_PROXY_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), TYPE_DATE_TIME_MECHANISM_PROXY))
+
+typedef struct _DateTimeMechanismProxy DateTimeMechanismProxy;
+typedef struct _DateTimeMechanismProxyClass DateTimeMechanismProxyClass;
+typedef struct _DateTimeMechanismProxyPrivate DateTimeMechanismProxyPrivate;
+
+struct _DateTimeMechanismProxy
+{
+  GDBusProxy parent_instance;
+  DateTimeMechanismProxyPrivate *priv;
+};
+
+struct _DateTimeMechanismProxyClass
+{
+  GDBusProxyClass parent_class;
+};
+
+GType date_time_mechanism_proxy_get_type (void) G_GNUC_CONST;
+
+void date_time_mechanism_proxy_new (
+    GDBusConnection     *connection,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GAsyncReadyCallback  callback,
+    gpointer             user_data);
+DateTimeMechanism *date_time_mechanism_proxy_new_finish (
+    GAsyncResult        *res,
+    GError             **error);
+DateTimeMechanism *date_time_mechanism_proxy_new_sync (
+    GDBusConnection     *connection,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GError             **error);
+
+void date_time_mechanism_proxy_new_for_bus (
+    GBusType             bus_type,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GAsyncReadyCallback  callback,
+    gpointer             user_data);
+DateTimeMechanism *date_time_mechanism_proxy_new_for_bus_finish (
+    GAsyncResult        *res,
+    GError             **error);
+DateTimeMechanism *date_time_mechanism_proxy_new_for_bus_sync (
+    GBusType             bus_type,
+    GDBusProxyFlags      flags,
+    const gchar         *name,
+    const gchar         *object_path,
+    GCancellable        *cancellable,
+    GError             **error);
+
+
+/* ---- */
+
+#define TYPE_DATE_TIME_MECHANISM_SKELETON (date_time_mechanism_skeleton_get_type ())
+#define DATE_TIME_MECHANISM_SKELETON(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), TYPE_DATE_TIME_MECHANISM_SKELETON, DateTimeMechanismSkeleton))
+#define DATE_TIME_MECHANISM_SKELETON_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), TYPE_DATE_TIME_MECHANISM_SKELETON, DateTimeMechanismSkeletonClass))
+#define DATE_TIME_MECHANISM_SKELETON_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), TYPE_DATE_TIME_MECHANISM_SKELETON, DateTimeMechanismSkeletonClass))
+#define IS_DATE_TIME_MECHANISM_SKELETON(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), TYPE_DATE_TIME_MECHANISM_SKELETON))
+#define IS_DATE_TIME_MECHANISM_SKELETON_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), TYPE_DATE_TIME_MECHANISM_SKELETON))
+
+typedef struct _DateTimeMechanismSkeleton DateTimeMechanismSkeleton;
+typedef struct _DateTimeMechanismSkeletonClass DateTimeMechanismSkeletonClass;
+typedef struct _DateTimeMechanismSkeletonPrivate DateTimeMechanismSkeletonPrivate;
+
+struct _DateTimeMechanismSkeleton
+{
+  GDBusInterfaceSkeleton parent_instance;
+  DateTimeMechanismSkeletonPrivate *priv;
+};
+
+struct _DateTimeMechanismSkeletonClass
+{
+  GDBusInterfaceSkeletonClass parent_class;
+};
+
+GType date_time_mechanism_skeleton_get_type (void) G_GNUC_CONST;
+
+DateTimeMechanism *date_time_mechanism_skeleton_new (void);
+
+
+G_END_DECLS
+
+#endif /* __DTM_H__ */
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