| Class | Description | 
|---|---|
| AccessChecker | |
| AccessChecker.InputUser | 
 A temporary user class to instantiate User instance based on the name and groups. 
 | 
| AccessController | 
 Provides basic authorization checks for data access and administrative
 operations. 
 | 
| AccessControlLists | 
 Maintains lists of permission grants to users and groups to allow for
 authorization checks by  
AccessController. | 
| AuthManager | 
 Performs authorization checks for a given user's assigned permissions. 
 | 
| AuthResult | 
 Represents the result of an authorization check for logging and error
 reporting. 
 | 
| AuthResult.Params | |
| CoprocessorWhitelistMasterObserver | 
 Master observer for restricting coprocessor assignments. 
 | 
| ZKPermissionWatcher | 
 Handles synchronization of access control list entries and updates
 throughout all nodes in the cluster. 
 | 
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