code: protected function addTableTlImageSize(\DOMDocument $xml, \DOMNode $tables, Result $objTheme)
  	{
  		// Add the tables
  		$imageSizeTable = $xml->createElement('table');
  		$imageSizeTable->setAttribute('name', 'tl_image_size');
  		$imageSizeTable = $tables->appendChild($imageSizeTable);
  
  		$imageSizeItemTable = $xml->createElement('table');
  		$imageSizeItemTable->setAttribute('name', 'tl_image_size_item');
  		$imageSizeItemTable = $tables->appendChild($imageSizeItemTable);
  
  		// Get all sizes
  		$objSizes = $this->Database->prepare("SELECT * FROM tl_image_size WHERE pid=?")
  								   ->execute($objTheme->id);
  
  		// Add the rows
  		while ($objSizes->next())
  		{
  			$this->addDataRow($xml, $imageSizeTable, $objSizes->row());
  
  			// Get all size items
  			$objSizeItems = $this->Database->prepare("SELECT * FROM tl_image_size_item WHERE pid=?")
  										   ->execute($objSizes->id);
  
  			// Add the rows
  			while ($objSizeItems->next())
  			{
  				$this->addDataRow($xml, $imageSizeItemTable, $objSizeItems->row());
  			}
  		}
  	}
docs: Add the table tl_image_size
  
  @param \DOMDocument         $xml
  @param \DOMNode|\DOMElement $tables
  @param Result               $objTheme