com.google.gdata.data.contacts
Classes 
BasePersonEntry
BillingInformation
Birthday
CalendarLink
ContactEntry
ContactFeed
ContactGroupEntry
ContactGroupFeed
ContactLink
ContactLink.Rel
ContactLink.Type
ContactsNamespace
DirectoryServer
Event
Event.Rel
ExternalId
ExternalId.Rel
Gender
GroupMembershipInfo
Hobby
Initials
Jot
Language
MaidenName
Mileage
Nickname
Occupation
Priority
ProfileEntry
ProfileFeed
Relation
Sensitivity
ShortName
Subject
SystemGroup
UserDefinedField
Website
Enums 
CalendarLink.Rel
Gender.Value
Jot.Rel
Priority.Rel
Relation.Rel
Sensitivity.Rel
Website.Rel