How to generate class/structure from JSON?

[JN]

On Monday, 9 September 2019 at 11:55:09 UTC, Suliman wrote:
> I have complex JSON. I need to generate class/structure from 
> it. Is there any tools for it?

There are libraries to serialize/deserialize structs to/from 
JSON, but I am not aware of any tool that would generate the 
class structure from a JSON file.

I think you want this 
https://marketplace.visualstudio.com/items?itemName=quicktype.quicktype except it doesn't have support for D