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People Web Service
Windows SharePoint Services 3
Provides classes that can be used to associate user identifiers (IDs) with security groups for Windows SharePoint Services Web site permissions.
User IDs are validated against Active Directory Domain Services (AD°DS) as well as various role or membership providers. SPGroup security information may also be stored in a collection of cross-site groups for the site collection.
|PrincipalInfo||Contains information that represents the user of a SharePoint site.|