Handled through the [[https://microsoft.github.io/debug-adapter-protocol/][Debug Adapter Protocol]], an open source initiative from *Microsoft* for the *VSCode* editor.
[[https://emacs-lsp.github.io/dap-mode/][Dap-mode]] adds support for the protocol to Emacs.
#+begin_src emacs-lisp
(use-package dap-mode
:commands (dap-debug))
#+end_src
*** Completion
Text completion framework via =company= aka *Complete Anything*.