Clears all cached user information.
Retrieves cached user information for single user with specified identifier.
Optional_type: null | stringUser information or null user not found by identifier.
Retrieves cached user information for multiple users with specified identifiers.
Optional_type: null | stringA collection of user information for users that are found.
Caches a single user information object.
Optional_type: null | stringCaches multiple user information objects.
Optional_type: null | string
Provider for caching user information to optimize repeated lookups.