string mimetype, string interpretation_uri)
              
              string mimetype_regex, string interpretation_uri)
              
              string? interpretation_for_mimetype (string? mimetype)
              
              string uri_scheme, string manifestation_type)
              
              string? manifestation_for_uri (string uri)
              
              string SIG_DATASOURCES
              
              GenericArray<DataSource> from_variant (Variant sources_variant) throws DataModelError
              
              Variant to_variant (HashTable<string,DataSource> sources)
              
              GenericArray<Event?> from_variant (Variant vevents) throws DataModelError
              
              Variant to_variant (GenericArray<Event?> events)
              
              Variant to_variant_with_limit (GenericArray<Event?> events, size_t limit = MAX_DBUS_RESULT_SIZE) throws DataModelError
              
              string ALARM
              
              string ATTACHMENT
              
              string CALENDAR
              
              string CALENDAR_DATA_OBJECT
              
              string EVENT
              
              string FREEBUSY
              
              string JOURNAL
              
              string TIMEZONE
              
              string TODO
              
              string CONTACT
              
              string CONTACT_GROUP
              
              string CONTACT_LIST
              
              string CONTACT_LIST_DATA_OBJECT
              
              string ORGANIZATION_CONTACT
              
              string PERSON_CONTACT
              
              string APPLICATION
              
              string ARCHIVE
              
              string ARCHIVE_ITEM
              
              string ATTACHMENT
              
              string AUDIO
              
              string BOOKMARK
              
              string BOOKMARK_FOLDER
              
              string CURSOR
              
              string DATA_CONTAINER
              
              string DELETED_RESOURCE
              
              string DOCUMENT
              
              string EMBEDDED_FILE_DATA_OBJECT
              
              string EXECUTABLE
              
              string FILESYSTEM
              
              string FILESYSTEM_IMAGE
              
              string FILE_DATA_OBJECT
              
              string FOLDER
              
              string FONT
              
              string HARD_DISK_PARTITION
              
              string HTML_DOCUMENT
              
              string ICON
              
              string IMAGE
              
              string MEDIA
              
              string MEDIA_LIST
              
              string MEDIA_STREAM
              
              string MIND_MAP
              
              string OPERATING_SYSTEM
              
              string PAGINATED_TEXT_DOCUMENT
              
              string PLAIN_TEXT_DOCUMENT
              
              string PRESENTATION
              
              string RASTER_IMAGE
              
              string REMOTE_DATA_OBJECT
              
              string REMOTE_PORT_ADDRESS
              
              string SOFTWARE
              
              string SOFTWARE_ITEM
              
              string SOFTWARE_SERVICE
              
              string SOURCE_CODE
              
              string SPREADSHEET
              
              string TEXT_DOCUMENT
              
              string TRASH
              
              string VECTOR_IMAGE
              
              string VIDEO
              
              string VISUAL
              
              string WEBSITE
              
              string WEB_DATA_OBJECT
              
              string DATA_OBJECT
              
              string INFORMATION_ELEMENT
              
              string MOVIE
              
              string MUSIC_ALBUM
              
              string MUSIC_PIECE
              
              string TVSERIES
              
              string TVSHOW
              
              string EMAIL
              
              string IMMESSAGE
              
              string MAILBOX
              
              string MAILBOX_DATA_OBJECT
              
              string MESSAGE
              
              string MIME_ENTITY
              
              string get_display_name (string symbol_uri)
              
              string get_description (string symbol_uri)
              
              List<unowned string> get_all_parents (string symbol_uri)
              
              List<unowned string> get_all_children (string symbol_uri)
              
              List<unowned string> get_children (string symbol_uri)
              
              List<unowned string> get_parents (string symbol_uri)
              
              bool is_a (string? symbol_uri, string? parent_uri)
              
              int64 SECOND
              
              int64 MINUTE
              
              int64 HOUR
              
              int64 DAY
              
              int64 WEEK
              
              int64 YEAR
              
              int64 from_timeval (TimeVal timeval)
              
              GLib.TimeVal to an amount of milliseconds 
                  since the Unix Epoch
              TimeVal to_timeval (int64 timestamp)
              
              GLib.TimeVal instance.
                  Note that Zeitgeist uses only a millisecond resolution, whereas GLib.TimeVal has microsecond resolution. This means 
                  that the lower three digits of @tv.tv_usec will always be 0.
              int64 from_now ()
              
              int64 from_iso8601 (string datetime)
              
              string to_iso8601 (int64 timestamp)
              
              int64 from_date (Date date)
              
              int64 from_dmy (DateDay day, DateMonth month, DateYear year)
              
              Date to_date (int64 timestamp)
              
              GLib.Date structure
              int64 next_midnight (int64 timestamp)
              
              int64 prev_midnight (int64 timestamp)
              
              string ENGINE_DBUS_NAME
              
              string ENGINE_DBUS_PATH
              
              string SIG_EVENT
              
              size_t MAX_DBUS_RESULT_SIZE
              
              uint CACHE_SIZE
              
              string get_data_path ()
              
              string get_default_data_path ()
              
              string get_database_file_path ()
              
              string path)
              
              string get_database_file_backup_path ()
              
              string get_database_file_retire_name ()
              
              string get_local_extensions_path ()
              
              bool using_in_memory_database ()
              
              Error
              
              bool parse_negation (ref string val)
              
              bool parse_noexpand (ref string val)
              
              bool parse_wildcard (ref string val)
              
              bool is_empty_string (string? s)
              
              bool log_may_read_directly ()
              
              string ACCEPT_EVENT
              
              string ACCESS_EVENT
              
              string APPLICATION_ACTION
              
              string CREATE_EVENT
              
              string DELETE_EVENT
              
              string DENY_EVENT
              
              string EVENT_INTERPRETATION
              
              string EVENT_MANIFESTATION
              
              string EXPIRE_EVENT
              
              string HEURISTIC_ACTIVITY
              
              string LEAVE_EVENT
              
              string MODIFY_EVENT
              
              string MOVE_EVENT
              
              string RECEIVE_EVENT
              
              string SCHEDULED_ACTIVITY
              
              string SEND_EVENT
              
              string SYSTEM_NOTIFICATION
              
              string USER_ACTIVITY
              
              string WORLD_ACTIVITY