freesmartphone.c:1111:6: error: conflicting types for 'free_smartphone_preferences_service_get_type'
void free_smartphone_preferences_service_get_type (FreeSmartphonePreferencesService* self, const gchar* key, GAsyncReadyCallback _callback_, gpointer _user_data_);
     ^
freesmartphone.c:1102:7: note: previous declaration is here
GType free_smartphone_preferences_service_get_type (void) G_GNUC_CONST;
      ^
freesmartphone.c:1149:8: error: conflicting types for 'free_smartphone_preferences_service_sync_get_type'
gchar* free_smartphone_preferences_service_sync_get_type (FreeSmartphonePreferencesServiceSync* self, const gchar* key, GError** error);
       ^
freesmartphone.c:1144:7: note: previous declaration is here
GType free_smartphone_preferences_service_sync_get_type (void) G_GNUC_CONST;
      ^
freesmartphone.c:1156:15: error: static declaration of 'free_smartphone_preferences_service_sync_proxy_get_type' follows non-static declaration
static gchar* free_smartphone_preferences_service_sync_proxy_get_type (FreeSmartphonePreferencesServiceSync* self, const gchar* key, GError** error);
              ^
freesmartphone.c:1142:7: note: previous declaration is here
GType free_smartphone_preferences_service_sync_proxy_get_type (void) G_GNUC_CONST;
      ^