@Override
    public Map<Bytes, Bytes> getValues() {
      // shallow pointer copy
      return Collections.unmodifiableMap(values);
    }
Getter for fetching an unmodifiable {@link #values} map.
@return unmodifiable map {@link #values}.
@see #values
hbase-client/src/main/java/org/apache/hadoop/hbase/client/TableDescriptorBuilder.java