| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.client | Provides HBase Client | 
| org.apache.hadoop.hbase.protobuf | Holds classes generated from protobuf
 src/main/protobufdefinition files. | 
| org.apache.hadoop.hbase.security.visibility | 
| Class and Description | 
|---|
| Authorizations This class contains visibility labels associated with a Scan/Get deciding which all labeled data
 current scan/get can access. | 
| CellVisibility This contains a visibility expression which can be associated with a cell. | 
| Class and Description | 
|---|
| Authorizations This class contains visibility labels associated with a Scan/Get deciding which all labeled data
 current scan/get can access. | 
| CellVisibility This contains a visibility expression which can be associated with a cell. | 
| Class and Description | 
|---|
| Authorizations This class contains visibility labels associated with a Scan/Get deciding which all labeled data
 current scan/get can access. | 
| ParseException | 
| ScanLabelGenerator This would be the interface which would be used add labels to the RPC context
 and this would be stored against the UGI. | 
| VisibilityExpEvaluator During the read (ie. | 
| VisibilityLabelOrdinalProvider | 
| VisibilityLabelsCache Maintains the cache for visibility labels and also uses the zookeeper to update the labels in the
 system. | 
| VisibilityLabelService The interface which deals with visibility labels and user auths admin service as well as the cell
 visibility expression storage part and read time evaluation. | 
| VisibilityLabelServiceManager Manages singleton instance of  VisibilityLabelService | 
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