<?php namespace PhpOffice\PhpSpreadsheet\Writer\Ods; use PhpOffice\PhpSpreadsheet\Writer\Ods; abstract class WriterPart { /** * Parent Ods object. * * @var Ods */ private $parentWriter; /** * Get Ods writer. * * @return Ods */ public function getParentWriter() { return $this->parentWriter; } /** * Set parent Ods writer. */ public function __construct(Ods $writer) { $this->parentWriter = $writer; } abstract public function write(): string; }