private CompletableFuture<Void> handleHDFSAclParallel(List<HDFSAclOperation> operations) {
    List<CompletableFuture<Void>> futures =
      operations.stream().map(this::handleHDFSAcl).collect(Collectors.toList());
    return CompletableFuture.allOf(futures.toArray(new CompletableFuture[futures.size()]));
  }
Return users with table read permission
@param tableName        the table
@param includeNamespace true if include users with namespace read action
@param includeGlobal    true if include users with global read action
@return users with table read permission
@throws IOException if an error occurred
hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/SnapshotScannerHDFSAclHelper.java