Need an ability to modify an UI component XML declaration by an extension like we can do with other XML declarations

Development UI Components

dmitry_fedyuk (Dmitrii Fediuk) January 4, 2016, 4:42pm 1

https://github.com/magento/magento2/blob/c58d2d/app/code/Magento/Ui/view/base/ui_component/etc/definition.xml#L182-L188

https://github.com/magento/magento2/issues/3172

How to modify an UI component by an extension

How are the UI Components registered

How does a WYSIWYG editor initialized on a backend CMS block page