Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 1234567]

▼NGoogle
▼NApis
▼NPeopleService
▼Nv1
▼NData
CAddress	A person's physical address. May be a P.O. box or street address. All fields are optional.
CAgeRangeType	A person's age range.
CBatchGetContactGroupsResponse	The response to a batch get contact groups request.
CBiography	A person's short biography.
CBirthday	A person's birthday. At least one of the `date` and `text` fields are specified. The `date` and `text` fields typically represent the same date, but are not guaranteed to.
CBraggingRights	DEPRECATED: No data will be returned A person's bragging rights.
CContactGroup	A contact group.
CContactGroupMembership	A Google contact group membership.
CContactGroupMetadata	The metadata about a contact group.
CContactGroupResponse	The response for a specific contact group.
CCoverPhoto	A person's cover photo. A large image shown on the person's profile page that represents who they are or what they care about.
CCreateContactGroupRequest	A request to create a new contact group.
CDate	Represents a whole or partial calendar date, e.g. a birthday. The time of day and time zone are either specified elsewhere or are not significant. The date is relative to the Proleptic Gregorian Calendar. This can represent:
CDeleteContactPhotoResponse	The response for deleteing a contact's photo.
CDomainMembership	A G Suite Domain membership.
CEmailAddress	A person's email address.
CEmpty	A generic empty message that you can re-use to avoid defining duplicated empty messages in your APIs. A typical example is to use it as the request or the response type of an API method. For instance:
CEvent	An event related to the person.
CFieldMetadata	Metadata about a field.
CGender	A person's gender.
CGetPeopleResponse	The response to a get request for a list of people by resource name.
CImClient	A person's instant messaging client.
CInterest	One of the person's interests.
CListConnectionsResponse	The response to a request for the authenticated user's connections.
CListContactGroupsResponse	The response to a list contact groups request.
CLocale	A person's locale preference.
CMembership	A person's membership in a group. Only contact group memberships can be modified.
CModifyContactGroupMembersRequest	A request to modify an existing contact group's members. Contacts can be removed from any group but they can only be added to a user group or "myContacts" or "starred" system groups.
CModifyContactGroupMembersResponse	The response to a modify contact group members request.
CName	A person's name. If the name is a mononym, the family name is empty.
CNickname	A person's nickname.
COccupation	A person's occupation.
COrganization	A person's past or current organization. Overlapping date ranges are permitted.
CPerson	Information about a person merged from various data sources such as the authenticated user's contacts and profile data
CPersonMetadata	The metadata about a person.
CPersonResponse	The response for a single person
CPhoneNumber	A person's phone number.
CPhoto	A person's photo. A picture shown next to the person's name to help others recognize the person.
CProfileMetadata	The metadata about a profile.
CRelation	A person's relation to another person.
CRelationshipInterest	DEPRECATED: No data will be returned A person's relationship interest .
CRelationshipStatus	DEPRECATED: No data will be returned A person's relationship status.
CResidence	A person's past or current residence.
CSipAddress	A person's SIP address. Session Initial Protocol addresses are used for VoIP communications to make voice or video calls over the internet.
CSkill	A skill that the person has.
CSource	The source of a field.
CStatus	The `Status` type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs. It is used by gRPC. Each `Status` message contains three pieces of data: error code, error message, and error details
CTagline	DEPRECATED: No data will be returned A brief one-line description of the person.
CUpdateContactGroupRequest	A request to update an existing user contact group. All updated fields will be replaced.
CUpdateContactPhotoRequest	A request to update an existing contact's photo. All requests must have a valid photo format: JPEG or PNG.
CUpdateContactPhotoResponse	The response for updating a contact's photo.
CUrl	A person's associated URLs.
CUserDefined	Arbitrary user data that is populated by the end users.
▼CContactGroupsResource	The "contactGroups" collection of methods.
CBatchGetRequest	Get a list of contact groups owned by the authenticated user by specifying a list of contact group resource names.
CCreateRequest	Create a new contact group owned by the authenticated user.
CDeleteRequest	Delete an existing contact group owned by the authenticated user by specifying a contact group resource name.
CGetRequest	Get a specific contact group owned by the authenticated user by specifying a contact group resource name.
CListRequest	List all contact groups owned by the authenticated user. Members of the contact groups are not populated.
▼CMembersResource	The "members" collection of methods.
CModifyRequest	Modify the members of a contact group owned by the authenticated user
CUpdateRequest	Update the name of an existing contact group owned by the authenticated user.
▼CPeopleResource	The "people" collection of methods.
▼CConnectionsResource	The "connections" collection of methods.
CListRequest	Provides a list of the authenticated user's contacts merged with any connected profiles
CCreateContactRequest	Create a new contact and return the person resource for that contact.
CDeleteContactPhotoRequest	Delete a contact's photo.
CDeleteContactRequest	Delete a contact person. Any non-contact data will not be deleted.
CGetBatchGetRequest	Provides information about a list of specific people by specifying a list of requested resource names. Use `people/me` to indicate the authenticated user
CGetRequest	Provides information about a person by specifying a resource name. Use `people/me` to indicate the authenticated user
CUpdateContactPhotoRequest	Update a contact's photo.
CUpdateContactRequest	Update contact data for an existing contact person. Any non-contact data will not be modified
CPeopleServiceBaseServiceRequest	A base abstract class for PeopleService requests.
CPeopleServiceService	The PeopleService Service.