This issue is automatically created based on existing pull request: #39490: _beforeToHtml DocBlock return type $this instead of string

Description (*)

Changed _beforeToHtml DocBlock return type $this instead of string In Magento/Checkout/Block/Onepage/Success.php according to Magento/Framework/View/Element/AbstractBlock.php parent class.

Related Pull Requests

Fixed Issues (if relevant)

1. Fixes magento/magento2#<issue_number>

Manual testing scenarios (*)

1. ...
2. ...

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose

  All commits are accompanied by meaningful commit messages

  All new or changed code is covered with unit/integration tests (if applicable)

  README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update

  All automated tests passed successfully (all builds are green)
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