core: Add padding members to class structures

This gives us flexibility for soft ABI breaks in future if needed, after
we lock down the ABI entirely.

97 files changed, 555 insertions, 0 deletions

diff --git a/gdata/app/gdata-app-categories.h b/gdata/app/gdata-app-categories.h
index 9cdd127c..dbe29be0 100644
--- a/gdata/app/gdata-app-categories.h
+++ b/gdata/app/gdata-app-categories.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataAPPCategoriesClass;
 
 GType gdata_app_categories_get_type (void) G_GNUC_CONST;
diff --git a/gdata/atom/gdata-author.h b/gdata/atom/gdata-author.h
index 25390173..1575ae98 100644
--- a/gdata/atom/gdata-author.h
+++ b/gdata/atom/gdata-author.h
@@ -56,6 +56,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataAuthorClass;
 
 GType gdata_author_get_type (void) G_GNUC_CONST;
diff --git a/gdata/atom/gdata-category.h b/gdata/atom/gdata-category.h
index cc6f862b..4eca2bde 100644
--- a/gdata/atom/gdata-category.h
+++ b/gdata/atom/gdata-category.h
@@ -76,6 +76,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCategoryClass;
 
 GType gdata_category_get_type (void) G_GNUC_CONST;
diff --git a/gdata/atom/gdata-generator.h b/gdata/atom/gdata-generator.h
index e796b7e2..b436baee 100644
--- a/gdata/atom/gdata-generator.h
+++ b/gdata/atom/gdata-generator.h
@@ -56,6 +56,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGeneratorClass;
 
 GType gdata_generator_get_type (void) G_GNUC_CONST;
diff --git a/gdata/atom/gdata-link.h b/gdata/atom/gdata-link.h
index 68c47213..421f18aa 100644
--- a/gdata/atom/gdata-link.h
+++ b/gdata/atom/gdata-link.h
@@ -156,6 +156,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataLinkClass;
 
 GType gdata_link_get_type (void) G_GNUC_CONST;
diff --git a/gdata/exif/gdata-exif-tags.h b/gdata/exif/gdata-exif-tags.h
index 2dcb76e9..0eb37585 100644
--- a/gdata/exif/gdata-exif-tags.h
+++ b/gdata/exif/gdata-exif-tags.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataExifTagsClass;
 
 GType gdata_exif_tags_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-calendar.h b/gdata/gcontact/gdata-gcontact-calendar.h
index 935a7f61..a225ebc7 100644
--- a/gdata/gcontact/gdata-gcontact-calendar.h
+++ b/gdata/gcontact/gdata-gcontact-calendar.h
@@ -94,6 +94,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactCalendarClass;
 
 GType gdata_gcontact_calendar_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-event.h b/gdata/gcontact/gdata-gcontact-event.h
index c8063b67..bf3d2d17 100644
--- a/gdata/gcontact/gdata-gcontact-event.h
+++ b/gdata/gcontact/gdata-gcontact-event.h
@@ -82,6 +82,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactEventClass;
 
 GType gdata_gcontact_event_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-external-id.h b/gdata/gcontact/gdata-gcontact-external-id.h
index d5b2a7ca..ab8afd5e 100644
--- a/gdata/gcontact/gdata-gcontact-external-id.h
+++ b/gdata/gcontact/gdata-gcontact-external-id.h
@@ -106,6 +106,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactExternalIDClass;
 
 GType gdata_gcontact_external_id_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-jot.h b/gdata/gcontact/gdata-gcontact-jot.h
index 908ee864..556e51be 100644
--- a/gdata/gcontact/gdata-gcontact-jot.h
+++ b/gdata/gcontact/gdata-gcontact-jot.h
@@ -118,6 +118,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactJotClass;
 
 GType gdata_gcontact_jot_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-language.h b/gdata/gcontact/gdata-gcontact-language.h
index 397852df..71e4f8c6 100644
--- a/gdata/gcontact/gdata-gcontact-language.h
+++ b/gdata/gcontact/gdata-gcontact-language.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactLanguageClass;
 
 GType gdata_gcontact_language_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-relation.h b/gdata/gcontact/gdata-gcontact-relation.h
index 1c637a3d..d3fd8090 100644
--- a/gdata/gcontact/gdata-gcontact-relation.h
+++ b/gdata/gcontact/gdata-gcontact-relation.h
@@ -226,6 +226,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactRelationClass;
 
 GType gdata_gcontact_relation_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gcontact/gdata-gcontact-website.h b/gdata/gcontact/gdata-gcontact-website.h
index de3a3722..deeced7b 100644
--- a/gdata/gcontact/gdata-gcontact-website.h
+++ b/gdata/gcontact/gdata-gcontact-website.h
@@ -142,6 +142,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGContactWebsiteClass;
 
 GType gdata_gcontact_website_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-email-address.h b/gdata/gd/gdata-gd-email-address.h
index dcce21fc..701a0319 100644
--- a/gdata/gd/gdata-gd-email-address.h
+++ b/gdata/gd/gdata-gd-email-address.h
@@ -85,6 +85,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDEmailAddressClass;
 
 GType gdata_gd_email_address_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-feed-link.h b/gdata/gd/gdata-gd-feed-link.h
index eeea002b..8a970b69 100644
--- a/gdata/gd/gdata-gd-feed-link.h
+++ b/gdata/gd/gdata-gd-feed-link.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDFeedLinkClass;
 
 GType gdata_gd_feed_link_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-im-address.h b/gdata/gd/gdata-gd-im-address.h
index 8f0cf0da..9e2d82cd 100644
--- a/gdata/gd/gdata-gd-im-address.h
+++ b/gdata/gd/gdata-gd-im-address.h
@@ -166,6 +166,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDIMAddressClass;
 
 GType gdata_gd_im_address_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-name.h b/gdata/gd/gdata-gd-name.h
index 7eac3158..2507ca3a 100644
--- a/gdata/gd/gdata-gd-name.h
+++ b/gdata/gd/gdata-gd-name.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDNameClass;
 
 GType gdata_gd_name_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-organization.h b/gdata/gd/gdata-gd-organization.h
index 20341f40..74e6c8c9 100644
--- a/gdata/gd/gdata-gd-organization.h
+++ b/gdata/gd/gdata-gd-organization.h
@@ -77,6 +77,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDOrganizationClass;
 
 GType gdata_gd_organization_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-phone-number.h b/gdata/gd/gdata-gd-phone-number.h
index 5f6a15b8..dab6a484 100644
--- a/gdata/gd/gdata-gd-phone-number.h
+++ b/gdata/gd/gdata-gd-phone-number.h
@@ -238,6 +238,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDPhoneNumberClass;
 
 GType gdata_gd_phone_number_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-postal-address.h b/gdata/gd/gdata-gd-postal-address.h
index 86ebc700..c4208193 100644
--- a/gdata/gd/gdata-gd-postal-address.h
+++ b/gdata/gd/gdata-gd-postal-address.h
@@ -139,6 +139,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDPostalAddressClass;
 
 GType gdata_gd_postal_address_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-reminder.h b/gdata/gd/gdata-gd-reminder.h
index bccc97bc..96e36c27 100644
--- a/gdata/gd/gdata-gd-reminder.h
+++ b/gdata/gd/gdata-gd-reminder.h
@@ -85,6 +85,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDReminderClass;
 
 GType gdata_gd_reminder_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-when.h b/gdata/gd/gdata-gd-when.h
index d916e440..0e670afc 100644
--- a/gdata/gd/gdata-gd-when.h
+++ b/gdata/gd/gdata-gd-when.h
@@ -140,6 +140,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDWhenClass;
 
 GType gdata_gd_when_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-where.h b/gdata/gd/gdata-gd-where.h
index 00b43ec2..fa1e744e 100644
--- a/gdata/gd/gdata-gd-where.h
+++ b/gdata/gd/gdata-gd-where.h
@@ -85,6 +85,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDWhereClass;
 
 GType gdata_gd_where_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gd/gdata-gd-who.h b/gdata/gd/gdata-gd-who.h
index 213762d7..c5fe2780 100644
--- a/gdata/gd/gdata-gd-who.h
+++ b/gdata/gd/gdata-gd-who.h
@@ -96,6 +96,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGDWhoClass;
 
 GType gdata_gd_who_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-access-handler.h b/gdata/gdata-access-handler.h
index a1578aa2..9700746c 100644
--- a/gdata/gdata-access-handler.h
+++ b/gdata/gdata-access-handler.h
@@ -74,6 +74,15 @@ typedef struct {
 
 	gboolean (*is_owner_rule) (GDataAccessRule *rule);
 	GDataAuthorizationDomain *(*get_authorization_domain) (GDataAccessHandler *self);
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataAccessHandlerIface;
 
 GType gdata_access_handler_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-access-rule.h b/gdata/gdata-access-rule.h
index 29409a9c..62ef1364 100644
--- a/gdata/gdata-access-rule.h
+++ b/gdata/gdata-access-rule.h
@@ -95,6 +95,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataAccessRuleClass;
 
 GType gdata_access_rule_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-authorization-domain.h b/gdata/gdata-authorization-domain.h
index b0159b8b..a4f84196 100644
--- a/gdata/gdata-authorization-domain.h
+++ b/gdata/gdata-authorization-domain.h
@@ -57,6 +57,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataAuthorizationDomainClass;
 
 GType gdata_authorization_domain_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-batch-feed.h b/gdata/gdata-batch-feed.h
index d69f5603..69660b42 100644
--- a/gdata/gdata-batch-feed.h
+++ b/gdata/gdata-batch-feed.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFeedClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataBatchFeedClass;
 
 GType gdata_batch_feed_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-batch-operation.h b/gdata/gdata-batch-operation.h
index 5b9f85e3..adad98a6 100644
--- a/gdata/gdata-batch-operation.h
+++ b/gdata/gdata-batch-operation.h
@@ -118,6 +118,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataBatchOperationClass;
 
 GType gdata_batch_operation_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-client-login-authorizer.h b/gdata/gdata-client-login-authorizer.h
index c4b47220..3db4c5c7 100644
--- a/gdata/gdata-client-login-authorizer.h
+++ b/gdata/gdata-client-login-authorizer.h
@@ -101,6 +101,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataClientLoginAuthorizerClass;
 
 GType gdata_client_login_authorizer_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-comment.h b/gdata/gdata-comment.h
index 759879c8..973ac1e3 100644
--- a/gdata/gdata-comment.h
+++ b/gdata/gdata-comment.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCommentClass;
 
 GType gdata_comment_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-download-stream.h b/gdata/gdata-download-stream.h
index d80bd26d..141e3fcd 100644
--- a/gdata/gdata-download-stream.h
+++ b/gdata/gdata-download-stream.h
@@ -59,6 +59,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GInputStreamClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataDownloadStreamClass;
 
 GType gdata_download_stream_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-entry.h b/gdata/gdata-entry.h
index 92478cb1..db5004e2 100644
--- a/gdata/gdata-entry.h
+++ b/gdata/gdata-entry.h
@@ -63,6 +63,17 @@ typedef struct {
 
 	gchar *(*get_entry_uri) (const gchar *id); /* G_GNUC_WARN_UNUSED_RESULT G_GNUC_MALLOC */
 	const gchar *kind_term;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
+	void (*_g_reserved6) (void);
+	void (*_g_reserved7) (void);
 } GDataEntryClass;
 
 GType gdata_entry_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-feed.h b/gdata/gdata-feed.h
index d1e544ec..c94431fc 100644
--- a/gdata/gdata-feed.h
+++ b/gdata/gdata-feed.h
@@ -58,6 +58,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataFeedClass;
 
 GType gdata_feed_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-goa-authorizer.h b/gdata/gdata-goa-authorizer.h
index d75c5fea..df9e7f66 100644
--- a/gdata/gdata-goa-authorizer.h
+++ b/gdata/gdata-goa-authorizer.h
@@ -61,6 +61,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent_class;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGoaAuthorizerClass;
 
 GType gdata_goa_authorizer_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-oauth1-authorizer.h b/gdata/gdata-oauth1-authorizer.h
index a17f200c..9bb79433 100644
--- a/gdata/gdata-oauth1-authorizer.h
+++ b/gdata/gdata-oauth1-authorizer.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataOAuth1AuthorizerClass;
 
 GType gdata_oauth1_authorizer_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-oauth2-authorizer.h b/gdata/gdata-oauth2-authorizer.h
index 04cbe515..99428cc3 100644
--- a/gdata/gdata-oauth2-authorizer.h
+++ b/gdata/gdata-oauth2-authorizer.h
@@ -87,6 +87,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataOAuth2AuthorizerClass;
 
 GType gdata_oauth2_authorizer_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-parsable.h b/gdata/gdata-parsable.h
index ec332dbd..328d3c38 100644
--- a/gdata/gdata-parsable.h
+++ b/gdata/gdata-parsable.h
@@ -105,6 +105,17 @@ typedef struct {
 
 	const gchar *element_name;
 	const gchar *element_namespace;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
+	void (*_g_reserved6) (void);
+	void (*_g_reserved7) (void);
 } GDataParsableClass;
 
 GType gdata_parsable_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-query.h b/gdata/gdata-query.h
index 4286625c..69bf2343 100644
--- a/gdata/gdata-query.h
+++ b/gdata/gdata-query.h
@@ -54,6 +54,15 @@ typedef struct {
 	GObjectClass parent;
 
 	void (*get_query_uri) (GDataQuery *self, const gchar *feed_uri, GString *query_uri, gboolean *params_started);
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataQueryClass;
 
 GType gdata_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-service.h b/gdata/gdata-service.h
index 74b5f0e5..e5db304e 100644
--- a/gdata/gdata-service.h
+++ b/gdata/gdata-service.h
@@ -154,6 +154,17 @@ typedef struct {
 	void (*parse_error_response) (GDataService *self, GDataOperationType operation_type, guint status, const gchar *reason_phrase,
 	                              const gchar *response_body, gint length, GError **error);
 	GList *(*get_authorization_domains) (void);
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
+	void (*_g_reserved6) (void);
+	void (*_g_reserved7) (void);
 } GDataServiceClass;
 
 GType gdata_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/gdata-upload-stream.h b/gdata/gdata-upload-stream.h
index ecddf936..4c8db419 100644
--- a/gdata/gdata-upload-stream.h
+++ b/gdata/gdata-upload-stream.h
@@ -86,6 +86,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GOutputStreamClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataUploadStreamClass;
 
 GType gdata_upload_stream_get_type (void) G_GNUC_CONST;
diff --git a/gdata/georss/gdata-georss-where.h b/gdata/georss/gdata-georss-where.h
index 069ceb12..b735b011 100644
--- a/gdata/georss/gdata-georss-where.h
+++ b/gdata/georss/gdata-georss-where.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataGeoRSSWhereClass;
 
 GType gdata_georss_where_get_type (void) G_GNUC_CONST;
diff --git a/gdata/media/gdata-media-category.h b/gdata/media/gdata-media-category.h
index 1eb4aefd..d331ae5c 100644
--- a/gdata/media/gdata-media-category.h
+++ b/gdata/media/gdata-media-category.h
@@ -56,6 +56,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataMediaCategoryClass;
 
 GType gdata_media_category_get_type (void) G_GNUC_CONST;
diff --git a/gdata/media/gdata-media-content.h b/gdata/media/gdata-media-content.h
index 76ff4766..adce38ac 100644
--- a/gdata/media/gdata-media-content.h
+++ b/gdata/media/gdata-media-content.h
@@ -94,6 +94,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataMediaContentClass;
 
 GType gdata_media_content_get_type (void) G_GNUC_CONST;
diff --git a/gdata/media/gdata-media-credit.h b/gdata/media/gdata-media-credit.h
index 3cfe132b..a44d925b 100644
--- a/gdata/media/gdata-media-credit.h
+++ b/gdata/media/gdata-media-credit.h
@@ -56,6 +56,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataMediaCreditClass;
 
 GType gdata_media_credit_get_type (void) G_GNUC_CONST;
diff --git a/gdata/media/gdata-media-group.h b/gdata/media/gdata-media-group.h
index f8ce7aa9..b1942d7d 100644
--- a/gdata/media/gdata-media-group.h
+++ b/gdata/media/gdata-media-group.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataMediaGroupClass;
 
 GType gdata_media_group_get_type (void) G_GNUC_CONST;
diff --git a/gdata/media/gdata-media-thumbnail.h b/gdata/media/gdata-media-thumbnail.h
index d0336880..f60f663b 100644
--- a/gdata/media/gdata-media-thumbnail.h
+++ b/gdata/media/gdata-media-thumbnail.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataMediaThumbnailClass;
 
 GType gdata_media_thumbnail_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/calendar/gdata-calendar-calendar.h b/gdata/services/calendar/gdata-calendar-calendar.h
index f7cb7d60..6bfceb0a 100644
--- a/gdata/services/calendar/gdata-calendar-calendar.h
+++ b/gdata/services/calendar/gdata-calendar-calendar.h
@@ -101,6 +101,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCalendarCalendarClass;
 
 GType gdata_calendar_calendar_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/calendar/gdata-calendar-event.h b/gdata/services/calendar/gdata-calendar-event.h
index 801db569..0dc3e65e 100644
--- a/gdata/services/calendar/gdata-calendar-event.h
+++ b/gdata/services/calendar/gdata-calendar-event.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCalendarEventClass;
 
 GType gdata_calendar_event_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/calendar/gdata-calendar-feed.h b/gdata/services/calendar/gdata-calendar-feed.h
index 2dcfabd3..0cf062af 100644
--- a/gdata/services/calendar/gdata-calendar-feed.h
+++ b/gdata/services/calendar/gdata-calendar-feed.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFeedClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCalendarFeedClass;
 
 GType gdata_calendar_feed_get_type (void);
diff --git a/gdata/services/calendar/gdata-calendar-query.h b/gdata/services/calendar/gdata-calendar-query.h
index 03ebc20c..293721d6 100644
--- a/gdata/services/calendar/gdata-calendar-query.h
+++ b/gdata/services/calendar/gdata-calendar-query.h
@@ -55,6 +55,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataCalendarQueryClass;
 
 GType gdata_calendar_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/calendar/gdata-calendar-service.h b/gdata/services/calendar/gdata-calendar-service.h
index 473574ba..8177491f 100644
--- a/gdata/services/calendar/gdata-calendar-service.h
+++ b/gdata/services/calendar/gdata-calendar-service.h
@@ -55,6 +55,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataCalendarServiceClass;
 
 GType gdata_calendar_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/contacts/gdata-contacts-contact.h b/gdata/services/contacts/gdata-contacts-contact.h
index 0f91f342..ebc73d3d 100644
--- a/gdata/services/contacts/gdata-contacts-contact.h
+++ b/gdata/services/contacts/gdata-contacts-contact.h
@@ -152,6 +152,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataContactsContactClass;
 
 GType gdata_contacts_contact_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/contacts/gdata-contacts-group.h b/gdata/services/contacts/gdata-contacts-group.h
index f8723d4c..7b019edb 100644
--- a/gdata/services/contacts/gdata-contacts-group.h
+++ b/gdata/services/contacts/gdata-contacts-group.h
@@ -94,6 +94,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataContactsGroupClass;
 
 GType gdata_contacts_group_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/contacts/gdata-contacts-query.h b/gdata/services/contacts/gdata-contacts-query.h
index a29eff62..f95d2ff5 100644
--- a/gdata/services/contacts/gdata-contacts-query.h
+++ b/gdata/services/contacts/gdata-contacts-query.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataContactsQueryClass;
 
 GType gdata_contacts_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/contacts/gdata-contacts-service.h b/gdata/services/contacts/gdata-contacts-service.h
index 23a4459c..d6f308a4 100644
--- a/gdata/services/contacts/gdata-contacts-service.h
+++ b/gdata/services/contacts/gdata-contacts-service.h
@@ -58,6 +58,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataContactsServiceClass;
 
 GType gdata_contacts_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-document.h b/gdata/services/documents/gdata-documents-document.h
index b87992fc..e0d00657 100644
--- a/gdata/services/documents/gdata-documents-document.h
+++ b/gdata/services/documents/gdata-documents-document.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsDocumentClass;
 
 GType gdata_documents_document_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-drawing.h b/gdata/services/documents/gdata-documents-drawing.h
index bcda025f..e2c13fb6 100644
--- a/gdata/services/documents/gdata-documents-drawing.h
+++ b/gdata/services/documents/gdata-documents-drawing.h
@@ -113,6 +113,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsDocumentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsDrawingClass;
 
 GType gdata_documents_drawing_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-entry.h b/gdata/services/documents/gdata-documents-entry.h
index e71dfb61..f2321444 100644
--- a/gdata/services/documents/gdata-documents-entry.h
+++ b/gdata/services/documents/gdata-documents-entry.h
@@ -88,6 +88,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsEntryClass;
 
 GType gdata_documents_entry_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-feed.h b/gdata/services/documents/gdata-documents-feed.h
index 0499e98c..df6eceac 100644
--- a/gdata/services/documents/gdata-documents-feed.h
+++ b/gdata/services/documents/gdata-documents-feed.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFeedClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsFeedClass;
 
 GType gdata_documents_feed_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-folder.h b/gdata/services/documents/gdata-documents-folder.h
index e3285174..f79e5fd9 100644
--- a/gdata/services/documents/gdata-documents-folder.h
+++ b/gdata/services/documents/gdata-documents-folder.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsFolderClass;
 
 GType gdata_documents_folder_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-pdf.h b/gdata/services/documents/gdata-documents-pdf.h
index 4600fc71..e92ff7e7 100644
--- a/gdata/services/documents/gdata-documents-pdf.h
+++ b/gdata/services/documents/gdata-documents-pdf.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsDocumentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsPdfClass;
 
 GType gdata_documents_pdf_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-presentation.h b/gdata/services/documents/gdata-documents-presentation.h
index cfd7eac1..e18607b4 100644
--- a/gdata/services/documents/gdata-documents-presentation.h
+++ b/gdata/services/documents/gdata-documents-presentation.h
@@ -130,6 +130,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsDocumentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsPresentationClass;
 
 GType gdata_documents_presentation_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-query.h b/gdata/services/documents/gdata-documents-query.h
index 14f734e9..84dbdbad 100644
--- a/gdata/services/documents/gdata-documents-query.h
+++ b/gdata/services/documents/gdata-documents-query.h
@@ -60,6 +60,11 @@ typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
 	GDataDocumentsQueryPrivate *priv;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsQueryClass;
 
 GType gdata_documents_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-service.h b/gdata/services/documents/gdata-documents-service.h
index 9f0b83cb..da4c3191 100644
--- a/gdata/services/documents/gdata-documents-service.h
+++ b/gdata/services/documents/gdata-documents-service.h
@@ -75,6 +75,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataDocumentsServiceClass;
 
 GType gdata_documents_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-spreadsheet.h b/gdata/services/documents/gdata-documents-spreadsheet.h
index 20d07dd2..38cab006 100644
--- a/gdata/services/documents/gdata-documents-spreadsheet.h
+++ b/gdata/services/documents/gdata-documents-spreadsheet.h
@@ -139,6 +139,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsDocumentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsSpreadsheetClass;
 
 GType gdata_documents_spreadsheet_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-text.h b/gdata/services/documents/gdata-documents-text.h
index 6fadab15..98254b27 100644
--- a/gdata/services/documents/gdata-documents-text.h
+++ b/gdata/services/documents/gdata-documents-text.h
@@ -175,6 +175,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataDocumentsDocumentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsTextClass;
 
 GType gdata_documents_text_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/documents/gdata-documents-upload-query.h b/gdata/services/documents/gdata-documents-upload-query.h
index 6699fc24..4dd1deba 100644
--- a/gdata/services/documents/gdata-documents-upload-query.h
+++ b/gdata/services/documents/gdata-documents-upload-query.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDocumentsUploadQueryClass;
 
 GType gdata_documents_upload_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-query.h b/gdata/services/freebase/gdata-freebase-query.h
index 8e71612d..19f87a60 100644
--- a/gdata/services/freebase/gdata-freebase-query.h
+++ b/gdata/services/freebase/gdata-freebase-query.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseQueryClass;
 
 GType gdata_freebase_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-result.h b/gdata/services/freebase/gdata-freebase-result.h
index 2bd610d0..252cfd69 100644
--- a/gdata/services/freebase/gdata-freebase-result.h
+++ b/gdata/services/freebase/gdata-freebase-result.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseResultClass;
 
 GType gdata_freebase_result_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-search-query.h b/gdata/services/freebase/gdata-freebase-search-query.h
index 9ecb3d74..1d50591c 100644
--- a/gdata/services/freebase/gdata-freebase-search-query.h
+++ b/gdata/services/freebase/gdata-freebase-search-query.h
@@ -75,6 +75,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseSearchQueryClass;
 
 GType gdata_freebase_search_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-search-result.h b/gdata/services/freebase/gdata-freebase-search-result.h
index 32a4bc5a..8173f752 100644
--- a/gdata/services/freebase/gdata-freebase-search-result.h
+++ b/gdata/services/freebase/gdata-freebase-search-result.h
@@ -69,6 +69,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFreebaseResultClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseSearchResultClass;
 
 GType gdata_freebase_search_result_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-service.h b/gdata/services/freebase/gdata-freebase-service.h
index 0668ed50..2b0523b6 100644
--- a/gdata/services/freebase/gdata-freebase-service.h
+++ b/gdata/services/freebase/gdata-freebase-service.h
@@ -67,6 +67,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataFreebaseServiceClass;
 
 GType gdata_freebase_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-topic-query.h b/gdata/services/freebase/gdata-freebase-topic-query.h
index 36e3a7f7..9e2cbdc6 100644
--- a/gdata/services/freebase/gdata-freebase-topic-query.h
+++ b/gdata/services/freebase/gdata-freebase-topic-query.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseTopicQueryClass;
 
 GType gdata_freebase_topic_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/freebase/gdata-freebase-topic-result.h b/gdata/services/freebase/gdata-freebase-topic-result.h
index eeebc78f..18f71849 100644
--- a/gdata/services/freebase/gdata-freebase-topic-result.h
+++ b/gdata/services/freebase/gdata-freebase-topic-result.h
@@ -82,6 +82,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFreebaseResultClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataFreebaseTopicResultClass;
 
 GType gdata_freebase_topic_object_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-album.h b/gdata/services/picasaweb/gdata-picasaweb-album.h
index 5075e115..f09a2de4 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-album.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-album.h
@@ -74,6 +74,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebAlbumClass;
 
 GType gdata_picasaweb_album_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-comment.h b/gdata/services/picasaweb/gdata-picasaweb-comment.h
index cca9c9e6..138297c0 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-comment.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-comment.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataCommentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebCommentClass;
 
 GType gdata_picasaweb_comment_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-feed.h b/gdata/services/picasaweb/gdata-picasaweb-feed.h
index f145ec04..2715bc20 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-feed.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-feed.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataFeedClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebFeedClass;
 
 GType gdata_picasaweb_feed_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-file.h b/gdata/services/picasaweb/gdata-picasaweb-file.h
index 78ec8a29..638d49ad 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-file.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-file.h
@@ -96,6 +96,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebFileClass;
 
 GType gdata_picasaweb_file_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-query.h b/gdata/services/picasaweb/gdata-picasaweb-query.h
index 25f8db02..12e428da 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-query.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-query.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebQueryClass;
 
 GType gdata_picasaweb_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-service.h b/gdata/services/picasaweb/gdata-picasaweb-service.h
index 6e9c4bd5..da3b8bc1 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-service.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-service.h
@@ -59,6 +59,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataPicasaWebServiceClass;
 
 GType gdata_picasaweb_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/picasaweb/gdata-picasaweb-user.h b/gdata/services/picasaweb/gdata-picasaweb-user.h
index bd92d14b..93753192 100644
--- a/gdata/services/picasaweb/gdata-picasaweb-user.h
+++ b/gdata/services/picasaweb/gdata-picasaweb-user.h
@@ -60,6 +60,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataPicasaWebUserClass;
 
 GType gdata_picasaweb_user_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/tasks/gdata-tasks-query.h b/gdata/services/tasks/gdata-tasks-query.h
index e3bad97d..bb399d9e 100644
--- a/gdata/services/tasks/gdata-tasks-query.h
+++ b/gdata/services/tasks/gdata-tasks-query.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataTasksQueryClass;
 
 GType gdata_tasks_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/tasks/gdata-tasks-service.h b/gdata/services/tasks/gdata-tasks-service.h
index a1f80c15..625c2178 100644
--- a/gdata/services/tasks/gdata-tasks-service.h
+++ b/gdata/services/tasks/gdata-tasks-service.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataTasksServiceClass;
 
 GType gdata_tasks_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/tasks/gdata-tasks-task.h b/gdata/services/tasks/gdata-tasks-task.h
index fe4f7db6..7ceb0bcb 100644
--- a/gdata/services/tasks/gdata-tasks-task.h
+++ b/gdata/services/tasks/gdata-tasks-task.h
@@ -86,6 +86,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataTasksTaskClass;
 
 GType gdata_tasks_task_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/tasks/gdata-tasks-tasklist.h b/gdata/services/tasks/gdata-tasks-tasklist.h
index 5ae62646..ea0c1caf 100644
--- a/gdata/services/tasks/gdata-tasks-tasklist.h
+++ b/gdata/services/tasks/gdata-tasks-tasklist.h
@@ -57,6 +57,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataTasksTasklistClass;
 
 GType gdata_tasks_tasklist_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-category.h b/gdata/services/youtube/gdata-youtube-category.h
index 6b503fc7..d29fbdbb 100644
--- a/gdata/services/youtube/gdata-youtube-category.h
+++ b/gdata/services/youtube/gdata-youtube-category.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataCategoryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeCategoryClass;
 
 GType gdata_youtube_category_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-comment.h b/gdata/services/youtube/gdata-youtube-comment.h
index 9a209abe..f26bc276 100644
--- a/gdata/services/youtube/gdata-youtube-comment.h
+++ b/gdata/services/youtube/gdata-youtube-comment.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataCommentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeCommentClass;
 
 GType gdata_youtube_comment_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-content.h b/gdata/services/youtube/gdata-youtube-content.h
index c5dc40bf..dbb7216a 100644
--- a/gdata/services/youtube/gdata-youtube-content.h
+++ b/gdata/services/youtube/gdata-youtube-content.h
@@ -78,6 +78,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataMediaContentClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeContentClass;
 
 GType gdata_youtube_content_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-control.h b/gdata/services/youtube/gdata-youtube-control.h
index b331a6c2..bfc3fbb6 100644
--- a/gdata/services/youtube/gdata-youtube-control.h
+++ b/gdata/services/youtube/gdata-youtube-control.h
@@ -57,6 +57,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeControlClass;
 
 GType gdata_youtube_control_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-credit.h b/gdata/services/youtube/gdata-youtube-credit.h
index 5c182c8e..b140ff11 100644
--- a/gdata/services/youtube/gdata-youtube-credit.h
+++ b/gdata/services/youtube/gdata-youtube-credit.h
@@ -68,6 +68,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataMediaCreditClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeCreditClass;
 
 GType gdata_youtube_credit_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-group.h b/gdata/services/youtube/gdata-youtube-group.h
index 99c85836..c48f33c9 100644
--- a/gdata/services/youtube/gdata-youtube-group.h
+++ b/gdata/services/youtube/gdata-youtube-group.h
@@ -58,6 +58,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataMediaGroupClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeGroupClass;
 
 GType gdata_youtube_group_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-query.h b/gdata/services/youtube/gdata-youtube-query.h
index a3535888..c262027f 100644
--- a/gdata/services/youtube/gdata-youtube-query.h
+++ b/gdata/services/youtube/gdata-youtube-query.h
@@ -147,6 +147,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataQueryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeQueryClass;
 
 GType gdata_youtube_query_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-service.h b/gdata/services/youtube/gdata-youtube-service.h
index fb9c22fe..999fa4c7 100644
--- a/gdata/services/youtube/gdata-youtube-service.h
+++ b/gdata/services/youtube/gdata-youtube-service.h
@@ -106,6 +106,15 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataServiceClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
+	void (*_g_reserved2) (void);
+	void (*_g_reserved3) (void);
+	void (*_g_reserved4) (void);
+	void (*_g_reserved5) (void);
 } GDataYouTubeServiceClass;
 
 GType gdata_youtube_service_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-state.h b/gdata/services/youtube/gdata-youtube-state.h
index cb4e4d4c..07651ba3 100644
--- a/gdata/services/youtube/gdata-youtube-state.h
+++ b/gdata/services/youtube/gdata-youtube-state.h
@@ -56,6 +56,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataParsableClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeStateClass;
 
 GType gdata_youtube_state_get_type (void) G_GNUC_CONST;
diff --git a/gdata/services/youtube/gdata-youtube-video.h b/gdata/services/youtube/gdata-youtube-video.h
index 490730d2..8fc5ce58 100644
--- a/gdata/services/youtube/gdata-youtube-video.h
+++ b/gdata/services/youtube/gdata-youtube-video.h
@@ -176,6 +176,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GDataEntryClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataYouTubeVideoClass;
 
 GType gdata_youtube_video_get_type (void) G_GNUC_CONST;
diff --git a/gdata/tests/gdata-dummy-authorizer.h b/gdata/tests/gdata-dummy-authorizer.h
index 1ea65f48..de797f9e 100644
--- a/gdata/tests/gdata-dummy-authorizer.h
+++ b/gdata/tests/gdata-dummy-authorizer.h
@@ -59,6 +59,11 @@ typedef struct {
 typedef struct {
 	/*< private >*/
 	GObjectClass parent;
+
+	/*< private >*/
+	/* Padding for future expansion */
+	void (*_g_reserved0) (void);
+	void (*_g_reserved1) (void);
 } GDataDummyAuthorizerClass;
 
 GType gdata_dummy_authorizer_get_type (void) G_GNUC_CONST;