Confluence: Save Page As Template

I have struggled today in Confluence to save a page as a Space template.

I was looking for something like in Word: save as template.

I couldn't find a better "solution" to this than create a template and copy/paste.

This is very painful when you use sections in your page because you will have to copy/paste each section one by one.

See also

Solved: Is there a way to turn a page into a template?

Create a Template | Confluence Data Center and Server 7.17 | Atlassian Documentation