<!-- ##### SECTION Title ##### -->
ECalBackendSync

<!-- ##### SECTION Short_Description ##### -->
Base class for synchronous backends.

<!-- ##### SECTION Long_Description ##### -->
<para>

</para>

<!-- ##### SECTION See_Also ##### -->
<para>

</para>

<!-- ##### SECTION Stability_Level ##### -->


<!-- ##### SECTION Image ##### -->


<!-- ##### STRUCT ECalBackendSync ##### -->
<para>

</para>


<!-- ##### FUNCTION e_cal_backend_sync_set_lock ##### -->
<para>

</para>

@backend: 
@lock: 


<!-- ##### FUNCTION e_cal_backend_sync_open ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@only_if_exists: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_remove ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_refresh ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_get_backend_property ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@prop_name: 
@prop_value: 
@error: 
@Returns: 


<!-- ##### FUNCTION e_cal_backend_sync_set_backend_property ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@prop_name: 
@prop_value: 
@error: 
@Returns: 


<!-- ##### FUNCTION e_cal_backend_sync_get_object ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@uid: 
@rid: 
@calobj: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_get_object_list ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@sexp: 
@calobjs: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_get_free_busy ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@users: 
@start: 
@end: 
@freebusyobjs: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_create_object ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@calobj: 
@uid: 
@new_object: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_modify_object ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@calobj: 
@mod: 
@old_object: 
@new_object: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_remove_object ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@uid: 
@rid: 
@mod: 
@old_object: 
@new_object: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_receive_objects ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@calobj: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_send_objects ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@calobj: 
@users: 
@modified_calobj: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_get_attachment_uris ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@uid: 
@rid: 
@attachments: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_discard_alarm ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@uid: 
@rid: 
@auid: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_get_timezone ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@tzid: 
@tzobject: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_add_timezone ##### -->
<para>

</para>

@backend: 
@cal: 
@cancellable: 
@tzobject: 
@error: 


<!-- ##### FUNCTION e_cal_backend_sync_authenticate_user ##### -->
<para>

</para>

@backend: 
@cancellable: 
@credentials: 
@error: 


