This environment variable configures where the calendar factory subprocess is located in.
Frees the change structure, previously allocated with e_cal_cache_offline_change_new()
or e_cal_cache_offline_change_copy().
an #ECalCacheOfflineChange
Frees the ptr structure, previously allocated with e_cal_cache_search_data_new()
or e_cal_cache_search_data_copy().
an #ECalCacheSearchData
Frees the ptr structure, previously allocated with e_cal_meta_backend_info_new()
or e_cal_meta_backend_info_copy().
an #ECalMetaBackendInfo
This environment variable configures where the calendar factory loads its backend modules from.