Object Hierarchy

    GObject
        GOutputStream
            GDataUploadStream
        GDataService
            GDataYouTubeService
            GDataPicasaWebService
            GDataDocumentsService
            GDataContactsService
            GDataCalendarService
        GDataQuery
            GDataYouTubeQuery
            GDataPicasaWebQuery
            GDataDocumentsQuery
            GDataContactsQuery
            GDataCalendarQuery
        GDataParsable
            GDataFeed
                GDataDocumentsFeed
                GDataCalendarFeed
            GDataEntry
                GDataAccessRule
                GDataYouTubeVideo
                GDataPicasaWebFile
                GDataPicasaWebAlbum
                GDataDocumentsEntry
                    GDataDocumentsText
                    GDataDocumentsSpreadsheet
                    GDataDocumentsPresentation
                    GDataDocumentsFolder
                GDataContactsContact
                GDataCalendarEvent
                GDataCalendarCalendar
            GDataYouTubeState
            GDataMediaCredit
                GDataYouTubeCredit
            GDataMediaContent
                GDataYouTubeContent
            GDataMediaThumbnail
            GDataMediaCategory
            GDataGDWho
            GDataGDWhere
            GDataGDWhen
            GDataGDReminder
            GDataGDPostalAddress
            GDataGDPhoneNumber
            GDataGDOrganization
            GDataGDName
            GDataGDIMAddress
            GDataGDEmailAddress
            GDataLink
            GDataGenerator
            GDataCategory
            GDataAuthor
        GInputStream
            GDataDownloadStream
    GInterface
        GDataAccessHandler