@Override
    public String toStringCustomizedValues() {
      StringBuilder s = new StringBuilder();
      s.append('{');
      s.append(HConstants.NAME);
      s.append(" => '");
      s.append(getNameAsString());
      s.append("'");
      s.append(getValues(false));
      s.append('}');
      return s.toString();
    }
Set the setPrefetchBlocksOnOpen flag
@param value true if we should prefetch blocks into the blockcache on open
@return this (for chained invocation)
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ColumnFamilyDescriptorBuilder.java