@Override
        public ListMultimap<String, UserPermission> run() throws Exception {
          return PermissionStorage.getTablePermissions(conf,
            TableName.valueOf(snapshot.getTable()));
        }
Check if the user is this table snapshot's owner
@param snapshot the table snapshot description
@param user     the user
@return true if the user is the owner of the snapshot, false otherwise or the snapshot owner
        field is not present.
hbase-server/src/main/java/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.java