# Part II. Core API

Table of Contents

Core API
  Version Information — Macros to check the libgdata version
  GDataService — GData service object
  GDataQuery — GData query object
  GDataFeed — GData feed object
  GDataEntry — GData entry object
  GData Types — miscellaneous data types
  GDataParsable — GData parsable object
  GDataDownloadStream — GData download stream object
  GDataUploadStream — GData upload stream object
  GDataComparable — GData comparable interface
Access Control List API
  GDataAccessHandler — GData access handler interface
  GDataAccessRule — GData access rule object
Batch Operation API
  GDataBatchable — GData batch service interface
  GDataBatchOperation — GData batch operation object
Authentication/Authorization API
  GDataAuthorizer — GData authorization interface
  GDataAuthorizationDomain — GData authorization domain
  GDataClientLoginAuthorizer — GData ClientLogin authorization interface
  GDataGoaAuthorizer — GData GOA authorization interface
  GDataOAuth1Authorizer — GData OAuth 1.0 authorization interface
  GDataOAuth2Authorizer — GData OAuth 2.0 authorization interface
Comment API
  GDataCommentable — GData commentable interface
  GDataComment — GData comment object

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