GData

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Description:

Content:

Classes:

• APPCategories - All the fields in the APPCategories structure are private and should never be accessed directly.
• AccessRule - All the fields in the AccessRule structure are private and should never be accessed directly.
• Author - All the fields in the Author structure are private and should never be accessed directly.
• AuthorizationDomain - All the fields in the AuthorizationDomain structure are private and should never be accessed directly.
• BatchOperation - All the fields in the BatchOperation structure are private and should never be accessed directly.
• CalendarAccessRule - All the fields in the CalendarAccessRule structure are private and should never be accessed directly.
• CalendarCalendar - All the fields in the CalendarCalendar structure are private and should never be accessed directly.
• CalendarEvent - All the fields in the CalendarEvent structure are private and should never be accessed directly.
• CalendarFeed - All the fields in the CalendarFeed structure are private and should never be accessed directly.
• CalendarQuery - All the fields in the CalendarQuery structure are private and should never be accessed directly.
• CalendarService - All the fields in the CalendarService structure are private and should never be accessed directly.
• Category - All the fields in the Category structure are private and should never be accessed directly.
• Comment - All the fields in the Comment structure are private and should never be accessed directly.
• DocumentsAccessRule - All the fields in the DocumentsAccessRule structure are private and should never be accessed directly.
• DocumentsDocument - All the fields in the DocumentsDocument structure are private and should never be accessed directly.
• DocumentsDrawing - All the fields in the DocumentsDrawing structure are private and should never be accessed directly.
• DocumentsDrive
• DocumentsDriveQuery
• DocumentsEntry - All the fields in the DocumentsEntry structure are private and should never be accessed directly.
• DocumentsFeed - All the fields in the DocumentsFeed structure are private and should never be accessed directly.
• DocumentsFolder - All the fields in the DocumentsFolder structure are private and should never be accessed directly.
• DocumentsMetadata - All the fields in the DocumentsMetadata structure are private and should never be accessed directly.
• DocumentsPdf - All the fields in the DocumentsPdf structure are private and should never be accessed directly.
• DocumentsPresentation - All the fields in the DocumentsPresentation structure are private and should never be accessed directly.
• DocumentsProperty - All the fields in the DocumentsProperty structure are private and should never be accessed directly.
• DocumentsQuery - All the fields in the DocumentsQuery structure are private and should never be accessed directly.
• DocumentsService - All the fields in the DocumentsService structure are private and should never be accessed directly.
• DocumentsSpreadsheet - All the fields in the DocumentsSpreadsheet structure are private and should never be accessed directly.
• DocumentsText - All the fields in the DocumentsText structure are private and should never be accessed directly.
• DocumentsUploadQuery - All the fields in the DocumentsUploadQuery structure are private and should never be accessed directly.
• DownloadStream - All the fields in the DownloadStream structure are private and should never be accessed directly.
• Entry - All the fields in the Entry structure are private and should never be accessed directly.
• Feed - All the fields in the Feed structure are private and should never be accessed directly.
• GContactCalendar - All the fields in the GContactCalendar structure are private and should never be accessed directly.
• GContactEvent - All the fields in the GContactEvent structure are private and should never be accessed directly.
• GContactExternalID - All the fields in the GContactExternalID structure are private and should never be accessed directly.
• GContactJot - All the fields in the GContactJot structure are private and should never be accessed directly.
• GContactLanguage - All the fields in the GContactLanguage structure are private and should never be accessed directly.
• GContactRelation - All the fields in the GContactRelation structure are private and should never be accessed directly.
• GContactWebsite - All the fields in the GContactWebsite structure are private and should never be accessed directly.
• GDEmailAddress - All the fields in the GDEmailAddress structure are private and should never be accessed directly.
• GDIMAddress - All the fields in the GDIMAddress structure are private and should never be accessed directly.
• GDName - All the fields in the GDName structure are private and should never be accessed directly.
• GDOrganization - All the fields in the GDOrganization structure are private and should never be accessed directly.
• GDPhoneNumber - All the fields in the GDPhoneNumber structure are private and should never be accessed directly.
• GDPostalAddress - All the fields in the GDPostalAddress structure are private and should never be accessed directly.
• GDReminder - All the fields in the GDReminder structure are private and should never be accessed directly.
• GDWhen - All the fields in the GDWhen structure are private and should never be accessed directly.
• GDWhere - All the fields in the GDWhere structure are private and should never be accessed directly.
• GDWho - All the fields in the GDWho structure are private and should never be accessed directly.
• Generator - All the fields in the Generator structure are private and should never be accessed directly.
• GoaAuthorizer - All the fields in the GoaAuthorizer structure are private and should never be accessed directly.
• Link - All the fields in the Link structure are private and should never be accessed directly.
• MediaCategory - All the fields in the MediaCategory structure are private and should never be accessed directly.
• MediaContent - All the fields in the MediaContent structure are private and should never be accessed directly.
• MediaCredit - All the fields in the MediaCredit structure are private and should never be accessed directly.
• MediaThumbnail - All the fields in the MediaThumbnail structure are private and should never be accessed directly.
• OAuth2Authorizer - All the fields in the OAuth2Authorizer structure are private and should never be accessed directly.
• Parsable - All the fields in the Parsable structure are private and should never be accessed directly.
• PicasaWebAlbum - All the fields in the PicasaWebAlbum structure are private and should never be accessed directly.
• PicasaWebComment - All the fields in the PicasaWebComment structure are private and should never be accessed directly.
• PicasaWebFeed - All the fields in the PicasaWebFeed structure are private and should never be accessed directly.
• PicasaWebFile - All the fields in the PicasaWebFile structure are private and should never be accessed directly.
• PicasaWebQuery - All the fields in the PicasaWebQuery structure are private and should never be accessed directly.
• PicasaWebService - All the fields in the PicasaWebService structure are private and should never be accessed directly.
• PicasaWebUser - All the fields in the PicasaWebUser structure are private and should never be accessed directly.
• Query - All the fields in the Query structure are private and should never be accessed directly.
• Service - All the fields in the Service structure are private and should never be accessed directly.
• TasksQuery - All the fields in the TasksQuery structure are private and should never be accessed directly.
• TasksService - All the fields in the TasksService structure are private and should never be accessed directly.
• TasksTask - All the fields in the TasksTask structure are private and should never be accessed directly.
• TasksTasklist - All the fields in the TasksTasklist structure are private and should never be accessed directly.
• UploadStream - All the fields in the UploadStream structure are private and should never be accessed directly.
• YouTubeCategory - All the fields in the YouTubeCategory structure are private and should never be accessed directly.
• YouTubeComment - All the fields in the YouTubeComment structure are private and should never be accessed directly.
• YouTubeFeed - All the fields in the YouTubeFeed structure are private and should never be accessed directly.
• YouTubeQuery - All the fields in the YouTubeQuery structure are private and should never be accessed directly.
• YouTubeService - All the fields in the YouTubeService structure are private and should never be accessed directly.
• YouTubeState - All the fields in the YouTubeState structure are private and should never be accessed directly.
• YouTubeVideo - All the fields in the YouTubeVideo structure are private and should never be accessed directly.

Structs:

• Color - Describes a color, such as used in the Google Calendar interface to differentiate calendars.

Enums:

• BatchOperationType - Indicates which type of batch operation caused the current BatchOperationCallback to be called.
• MediaExpression - An enum representing the possible values of expression.
• MediaMedium - An enum representing the possible values of medium.
• OperationType - Representations of the different operations performed by the library.
• PicasaWebVisibility - Visibility statuses available for albums on PicasaWeb.
• YouTubeAge - Video ages, allowing queries to be limited to videos uploaded in a recent time period.
• YouTubePermission - Permissions for actions which can be set on a YouTubeVideo using set_access_control.
• YouTubeSafeSearch - Safe search levels for removing restricted entries from query results.
• YouTubeStandardFeedType - Standard feed types for standard feed queries with query_standard_feed.

Constants:

• public const string ACCESS_ROLE_NONE
  The users specified by the AccessRule have no rights.
• public const string ACCESS_SCOPE_DEFAULT
  The AccessRule applies to all users.
• public const string ACCESS_SCOPE_DOMAIN
  The AccessRule applies to all users in a Google Apps For Your Domain domain, given in scope_value.
• public const string ACCESS_SCOPE_USER
  The AccessRule applies to a single individual, whose e-mail address is given in scope_value.
• public const string CALENDAR_ACCESS_ROLE_EDITOR
  The users specified by the CalendarAccessRule have full edit access to the calendar, except they can’t change the calendar’s access rules.
• public const string CALENDAR_ACCESS_ROLE_FREE_BUSY
  The users specified by the CalendarAccessRule can only see the free/busy information on the calendar; not event details.
• public const string CALENDAR_ACCESS_ROLE_OWNER
  The users specified by the CalendarAccessRule have full owner access to the calendar.
• public const string CALENDAR_ACCESS_ROLE_READ
  The users specified by the CalendarAccessRule have read-only access to the calendar.
• public const string CALENDAR_ACCESS_ROLE_ROOT
  The users specified by the CalendarAccessRule have full administrator access to the calendar server.
• public const string CATEGORY_SCHEMA_LABELS
  A schema for categories which label the entry they're applied to in some way, such as starring it.
• public const string DOCUMENTS_ACCESS_ROLE_OWNER
  The users specified by the AccessRule have full owner access to the document.
• public const string DOCUMENTS_ACCESS_ROLE_READER
  The users specified by the AccessRule have read-only access to the document.
• public const string DOCUMENTS_ACCESS_ROLE_WRITER
  The users specified by the AccessRule have write access to the document.
• public const string DOCUMENTS_DRAWING_JPEG
  The export format for JPEG image format.
• public const string DOCUMENTS_DRAWING_PDF
  The export format for Portable Document Format (PDF).
• public const string DOCUMENTS_DRAWING_PNG
  The export format for Portable Network Graphics (PNG) image format.
• public const string DOCUMENTS_DRAWING_SVG
  The export format for Scalable Vector Graphics (SVG) image format.
• public const string DOCUMENTS_PROPERTY_VISIBILITY_PRIVATE
  The DocumentsProperty having the visibility set to FALSE (default) corresponds to having the visibility property on a Drive Property Resource set to "PRIVATE".
• public const string DOCUMENTS_PROPERTY_VISIBILITY_PUBLIC
  The DocumentsProperty having the visibility set to TRUE corresponds to having the visibility property on a Drive Property Resource set to "PUBLIC".
• public const string GCONTACT_CALENDAR_FREE_BUSY
  The relation type URI for a contact's free/busy calendar.
• public const string GCONTACT_CALENDAR_HOME
  The relation type URI for a contact's home calendar.
• public const string GCONTACT_CALENDAR_WORK
  The relation type URI for a contact's work calendar.
• public const string GCONTACT_EVENT_ANNIVERSARY
  The relation type URI for an anniversary event.
• public const string GCONTACT_EVENT_OTHER
  The relation type URI for a miscellaneous event.
• public const string GCONTACT_EXTERNAL_ID_ACCOUNT
  The relation type URI for an account number identifier.
• public const string GCONTACT_EXTERNAL_ID_CUSTOMER
  The relation type URI for a customer identifier.
• public const string GCONTACT_EXTERNAL_ID_NETWORK
  The relation type URI for a network identifier.
• public const string GCONTACT_EXTERNAL_ID_ORGANIZATION
  The relation type URI for an identifier related to an organization the contact is associated with.
• public const string GCONTACT_JOT_HOME
  The relation type URI for a jot about a contact's home.
• public const string GCONTACT_JOT_KEYWORDS
  The relation type URI for a jot with keywords about a contact.
• public const string GCONTACT_JOT_OTHER
  The relation type URI for a jot about an other facet of a contact.
• public const string GCONTACT_JOT_USER
  The relation type URI for a jot about the relationship between a contact and the user.
• public const string GCONTACT_JOT_WORK
  The relation type URI for a jot about a contact's work.
• public const string GCONTACT_RELATION_ASSISTANT
  The relation type URI for a contact's assistant.
• public const string GCONTACT_RELATION_BROTHER
  The relation type URI for a contact's brother.
• public const string GCONTACT_RELATION_CHILD
  The relation type URI for a contact's child.
• public const string GCONTACT_RELATION_DOMESTIC_PARTNER
  The relation type URI for a contact's domestic partner.
• public const string GCONTACT_RELATION_FATHER
  The relation type URI for a contact's father.
• public const string GCONTACT_RELATION_FRIEND
  The relation type URI for a contact's friend.
• public const string GCONTACT_RELATION_MANAGER
  The relation type URI for a contact's manager.
• public const string GCONTACT_RELATION_MOTHER
  The relation type URI for a contact's mother.
• public const string GCONTACT_RELATION_PARENT
  The relation type URI for a contact's parent.
• public const string GCONTACT_RELATION_PARTNER
  The relation type URI for a contact's business partner.
• public const string GCONTACT_RELATION_REFERRER
  The relation type URI for a contact's referrer.
• public const string GCONTACT_RELATION_RELATIVE
  The relation type URI for a contact's (general) family relative.
• public const string GCONTACT_RELATION_SISTER
  The relation type URI for a contact's sister.
• public const string GCONTACT_RELATION_SPOUSE
  The relation type URI for a contact's spouse.
• public const string GCONTACT_WEBSITE_BLOG
  The relation type URI for a contact's blog.
• public const string GCONTACT_WEBSITE_FTP
  The relation type URI for a contact's FTP site.
• public const string GCONTACT_WEBSITE_HOME
  The relation type URI for a contact's home website.
• public const string GCONTACT_WEBSITE_HOME_PAGE
  The relation type URI for a contact's home page.
• public const string GCONTACT_WEBSITE_OTHER
  The relation type URI for a miscellaneous website of the contact.
• public const string GCONTACT_WEBSITE_PROFILE
  The relation type URI for a contact's online profile.
• public const string GCONTACT_WEBSITE_WORK
  The relation type URI for a contact's work website.
• public const string GD_ADDRESS_USAGE_GENERAL
  The address is for general usage.
• public const string GD_ADDRESS_USAGE_LOCAL
  The address is for local usage.
• public const string GD_EMAIL_ADDRESS_HOME
  The relation type URI for a home e-mail address.
• public const string GD_EMAIL_ADDRESS_OTHER
  The relation type URI for a miscellaneous e-mail address.
• public const string GD_EMAIL_ADDRESS_WORK
  The relation type URI for a work e-mail address.
• public const string GD_EVENT_STATUS_CANCELED
  The event has been canceled.
• public const string GD_EVENT_STATUS_CONFIRMED
  The event has been planned and confirmed.
• public const string GD_EVENT_STATUS_TENTATIVE
  The event has been planned, but only tentatively scheduled.
• public const string GD_EVENT_TRANSPARENCY_OPAQUE
  The event consumes time in calendars; its time will be marked as busy in a free/busy search.
• public const string GD_EVENT_TRANSPARENCY_TRANSPARENT
  The event does not consume time in calendars; its time will be not marked as busy in a free/busy search.
• public const string GD_EVENT_VISIBILITY_CONFIDENTIAL
  The event is visible to only certain people.
• public const string GD_EVENT_VISIBILITY_DEFAULT
  The event's visibility is inherited from the preferences of its owner.
• public const string GD_EVENT_VISIBILITY_PRIVATE
  The event is visible to very few people.
• public const string GD_EVENT_VISIBILITY_PUBLIC
  The event is visible to most people.
• public const string GD_IM_ADDRESS_HOME
  The relation type URI for a home IM address.
• public const string GD_IM_ADDRESS_NETMEETING
  The relation type URI for a Microsoft NetMeeting IM address.
• public const string GD_IM_ADDRESS_OTHER
  The relation type URI for a miscellaneous IM address.
• public const string GD_IM_ADDRESS_WORK
  The relation type URI for a work IM address.
• public const string GD_IM_PROTOCOL_AIM
  The protocol type URI for an AIM IM address.
• public const string GD_IM_PROTOCOL_GOOGLE_TALK
  The protocol type URI for a Google Talk IM address.
• public const string GD_IM_PROTOCOL_ICQ
  The protocol type URI for an ICQ IM address.
• public const string GD_IM_PROTOCOL_JABBER
  The protocol type URI for a Jabber IM address.
• public const string GD_IM_PROTOCOL_LIVE_MESSENGER
  The protocol type URI for an Windows Live Messenger IM address.
• public const string GD_IM_PROTOCOL_QQ
  The protocol type URI for a QQ IM address.
• public const string GD_IM_PROTOCOL_SKYPE
  The protocol type URI for a Skype IM address.
• public const string GD_IM_PROTOCOL_YAHOO_MESSENGER
  The protocol type URI for a Yahoo! Messenger IM address.
• public const string GD_MAIL_CLASS_BOTH
  Parcels and letters can be sent to the address.
• public const string GD_MAIL_CLASS_LETTERS
  Only letters can be sent to the address.
• public const string GD_MAIL_CLASS_NEITHER
  Address is purely locational and cannot be used for mail.
• public const string GD_MAIL_CLASS_PARCELS
  Only parcels can be sent to the address.
• public const string GD_ORGANIZATION_OTHER
  The relation type URI for a miscellaneous organization.
• public const string GD_ORGANIZATION_WORK
  The relation type URI for a work organization.
• public const string GD_PHONE_NUMBER_ASSISTANT
  The relation type URI for the phone number of an assistant.
• public const string GD_PHONE_NUMBER_CALLBACK
  The relation type URI for the phone number of a callback service.
• public const string GD_PHONE_NUMBER_CAR
  The relation type URI for the phone number of a car phone.
• public const string GD_PHONE_NUMBER_COMPANY_MAIN
  The relation type URI for the main phone number of a company.
• public const string GD_PHONE_NUMBER_FAX
  The relation type URI for the phone number of a fax machine.
• public const string GD_PHONE_NUMBER_HOME
  The relation type URI for a home phone number.
• public const string GD_PHONE_NUMBER_HOME_FAX
  The relation type URI for the phone number of a home fax machine.
• public const string GD_PHONE_NUMBER_ISDN
  The relation type URI for the phone number of an ISDN phone.
• public const string GD_PHONE_NUMBER_MAIN
  The relation type URI for the main phone number of a person.
• public const string GD_PHONE_NUMBER_MOBILE
  The relation type URI for the phone number of a mobile phone.
• public const string GD_PHONE_NUMBER_OTHER
  The relation type URI for a miscellaneous phone number.
• public const string GD_PHONE_NUMBER_OTHER_FAX
  The relation type URI for a miscellaneous fax machine's phone number.
• public const string GD_PHONE_NUMBER_PAGER
  The relation type URI for the phone number of a pager.
• public const string GD_PHONE_NUMBER_RADIO
  The relation type URI for the phone number of a radio phone.
• public const string GD_PHONE_NUMBER_TELEX
  The relation type URI for the phone number of a telex machine.
• public const string GD_PHONE_NUMBER_TTY_TDD
  The relation type URI for the phone number of a TTY TTD.
• public const string GD_PHONE_NUMBER_WORK
  The relation type URI for the phone number of a work place.
• public const string GD_PHONE_NUMBER_WORK_FAX
  The relation type URI for the phone number of a work fax machine.
• public const string GD_PHONE_NUMBER_WORK_MOBILE
  The relation type URI for the phone number of a work mobile phone.
• public const string GD_PHONE_NUMBER_WORK_PAGER
  The relation type URI for the phone number of a work pager.
• public const string GD_POSTAL_ADDRESS_HOME
  The relation type URI for the postal address of a home.
• public const string GD_POSTAL_ADDRESS_OTHER
  The relation type URI for a miscellaneous postal address.
• public const string GD_POSTAL_ADDRESS_WORK
  The relation type URI for the postal address of a workplace.
• public const string GD_REMINDER_ALERT
  The method for an alert to appear in the user's browser.
• public const string GD_REMINDER_EMAIL
  The method for an alert to be sent to the user by e-mail.
• public const string GD_REMINDER_SMS
  The method for an alert to be sent to the user by SMS.
• public const string GD_WHERE_EVENT
  The relation type URI for an event location.
• public const string GD_WHERE_EVENT_ALTERNATE
  The relation type URI for an alternate event location, such as a video conference site.
• public const string GD_WHERE_EVENT_PARKING
  The relation type URI for an event's parking lot.
• public const string GD_WHO_EVENT_ATTENDEE
  The relation type URI for a general meeting or event attendee.
• public const string GD_WHO_EVENT_ORGANIZER
  The relation type URI for an event organizer (not necessarily an attendee).
• public const string GD_WHO_EVENT_PERFORMER
  The relation type URI for an event performer, which is similar to GD_WHO_EVENT_SPEAKER, but with more emphasis on art rather than speaking.
• public const string GD_WHO_EVENT_SPEAKER
  The relation type URI for a speaker at an event.
• public const string LINK_ACCESS_CONTROL_LIST
  The relation type URI of the access control list location for this resource.
• public const string LINK_ALTERNATE
  The relation type URI for alternate resources to the current one.
• public const string LINK_BATCH
  The relation type URI for the batch operation URI for a given Feed.
• public const string LINK_EDIT
  The relation type URI of the edit location for this resource.
• public const string LINK_EDIT_MEDIA
  The relation type URI of the edit location for media resources attached to this resource.
• public const string LINK_ENCLOSURE
  The relation type URI for attached objects which may be large in size.
• public const string LINK_PARENT
  The relation type URI of the of the location of the parent resource in a hierarchy of entries.
• public const string LINK_RELATED
  The relation type URI for resources related to the current one.
• public const string LINK_RESUMABLE_CREATE_MEDIA
  The relation type URI of the resumable upload location for resources attached to this resource.
• public const string LINK_RESUMABLE_EDIT_MEDIA
  The relation type URI of the resumable update location for resources attached to this resource.
• public const string LINK_SELF
  The relation type URI for the current resource.
• public const string LINK_VIA
  The relation type URI for the source document of the current resource.
• public const int MAJOR_VERSION
  Evaluates to the major version of the GData headers at compile time.
• public const int MICRO_VERSION
  Evaluates to the micro version of the GData headers at compile time.
• public const int MINOR_VERSION
  Evaluates to the minor version of the GData headers at compile time.
• public const string OAUTH2_REDIRECT_URI_OOB
  OAuth 2 redirect URI for out-of-band authorisation code transfer, where the user is shown the authorisation code and asked to copy it.
• public const string OAUTH2_REDIRECT_URI_OOB_AUTO
  OAuth 2 redirect URI for out-of-band authorisation code transfer, where the user is not shown the authorisation code or asked to copy it.
• public const string PICASAWEB_VIDEO_STATUS_FAILED
  There was an error while processing or thumbnailing the video and it should be deleted.
• public const string PICASAWEB_VIDEO_STATUS_FINAL
  The video has been processed and thumbnailed.
• public const string PICASAWEB_VIDEO_STATUS_PENDING
  The video is still being processed.
• public const string PICASAWEB_VIDEO_STATUS_READY
  The video has been processed, but still needs thumbnailing.
• public const string TASKS_STATUS_COMPLETED
  A value for status indicating the task has been completed.
• public const string TASKS_STATUS_NEEDS_ACTION
  A value for status indicating the task still needs action before it is complete.
• public const string YOUTUBE_ACTION_COMMENT
  An action to comment on a video, for use with set_access_control.
• public const string YOUTUBE_ACTION_COMMENT_VOTE
  An action to rate other users' comments on a video, for use with set_access_control.
• public const string YOUTUBE_ACTION_EMBED
  An action to embed a video on third-party websites, for use with set_access_control.
• public const string YOUTUBE_ACTION_RATE
  An action to rate a video, for use with set_access_control.
• public const string YOUTUBE_ACTION_SYNDICATE
  An action allowing YouTube to show the video on mobile phones and televisions, for use with set_access_control.
• public const string YOUTUBE_ACTION_VIDEO_RESPOND
  An action to add a video response to a video, for use with set_access_control.
• public const string YOUTUBE_ASPECT_RATIO_WIDESCREEN
  The aspect ratio for widescreen (16:9) videos.
• public const string YOUTUBE_LICENSE_CC
  Value for license to restrict search results to only videos which are Creative Commons licensed.
• public const string YOUTUBE_LICENSE_STANDARD
  Value for license to restrict search results to only videos which are under the standard YouTube license.
• public const string YOUTUBE_RATING_TYPE_MPAA
  A rating type to pass to get_media_rating for ratings by the MPAA.
• public const string YOUTUBE_RATING_TYPE_V_CHIP
  A rating type to pass to get_media_rating for ratings following the FCC V-Chip system.

Delegates:

• public delegate void BatchOperationCallback (uint operation_id, BatchOperationType operation_type, Entry entry, Error error)
  Callback function called once for each operation in a batch operation run.
• public delegate void QueryProgressCallback (Entry entry, uint entry_key, uint entry_count)
  Callback function called for each Entry parsed in a Feed when loading the results of a query.

Methods:

• public bool color_from_hexadecimal (string hexadecimal, out Color color)
• public Quark documents_service_error_quark ()
• public Quark parser_error_quark ()
• public Quark service_error_quark ()