How do you set the custom block MyCompany\MyModule\Block\A as a child for the block named product.info using layout XML?

Which entity in Magento supports scoped attributes?

In the module located at app/code/MyCompany/MyModulethere is a JS module in the file view/ frontend/web/register.js. The Magento base URL is https://magento.host/and the luma theme with the en_USlocale is used.
What is the public URL for this file?

What order operation is available in the My Account section in the storefront?

The module MyCompany_MyModule provides custom admin interface pages.
Access to these pages should only be granted to specific users.
You add the required configuration to the module's acl.xml file, but the setting does not seem to work as expected.
How do you visually check if Magento evaluates your ACL resource as expected?