silverstripe-blog/code/compat/widgets/TagCloudWidget.php

<?php

if(!class_exists('Widget')) {
	return;
}

/**
 * A list of tags associated with blog posts.
 *
 * @package blog
 */
class TagCloudWidget extends BlogTagsWidget implements MigratableObject {
	/**
	 * @var array
	 */
	private static $db = array(
		'Title' => 'Varchar',
		'Limit' => 'Int',
		'Sortby' => 'Varchar',
	);

	/**
	 * @var array
	 */
	private static $only_available_in = array(
		'none',
	);

	/**
	 * {@inheritdoc}
	 */
	public function canCreate($member = null) {
		return false;
	}

	/**
	 * {@inheritdoc}
	 */
	public function up() {
		$this->ClassName = 'BlogTagsWidget';
		$this->write();
	}
}