An example of a warning I recently recieved when doing an npm install.

[DEP0170] DeprecationWarning: The URL git+ssh://[email protected]:<org-name>/<repo-name>.git

Looking around online, I found that DEP0170 refers to the Node.js documentation with a list of deprecated APIs for that release.

https://nodejs.org/api/deprecations.html#DEP0170