}
catch ( IOException e )
{
throw new RuntimeException( e );
}
<BUG>}
void close()</BUG>
{
safeClose( this.writer );
safeClose( this.reader );

}
return Pair.<Collection<Long>, TxData>of( result, this );
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
}
@Override
void close()
{
safeClose( this.writer );
safeClose( this.reader );
