private static List<ColumnDescriptor> getColumnDescriptors() {
    ArrayList<ColumnDescriptor> cDescriptors = new ArrayList<>(2);

    // A default ColumnDescriptor
    ColumnDescriptor cDescA = new ColumnDescriptor();
    cDescA.name = columnAname;
    cDescriptors.add(cDescA);

    // A slightly customized ColumnDescriptor (only 2 versions)
    ColumnDescriptor cDescB =
      new ColumnDescriptor(columnBname, 2, "NONE", false, "NONE", 0, 0, false, -1);
    cDescriptors.add(cDescB);

    return cDescriptors;
  }
@return a List of ColumnDescriptors for use in creating a table. Has one default
        ColumnDescriptor and one ColumnDescriptor with fewer versions
hbase-thrift/src/test/java/org/apache/hadoop/hbase/thrift/TestThriftServer.java