* Define HTMLPurifier_AttrTransform_SafeParam::$wmode
This fixes a PHP 8.2 deprecation.
* Define HTMLPurifier_DefinitionCache_DecoratorHarness::$cache
This fixes a PHP 8.2 deprecation.
* Define HTMLPurifier_DefinitionCache_DecoratorHarness::$mock
This fixes a PHP 8.2 deprecation.
* Define HTMLPurifier_DefinitionCache_DecoratorHarness::$def
This fixes a PHP 8.2 deprecation.
* Define HTMLPurifier_EntityParserTest::$_entity_lookup
This fixes a PHP 8.2 deprecation.