public Delete addFamily(final byte[] family) {
    this.addFamily(family, this.ts);
    return this;
  }
Delete all versions of all columns of the specified family.
<p>
Overrides previous calls to deleteColumn and deleteColumns for the specified family.
@param family family name
@return this for invocation chaining
hbase-client/src/main/java/org/apache/hadoop/hbase/client/Delete.java