// As of node@16 the NodeJS.Global interface has been removed in favor

// of globalThis.

​

// You can declare new global variable in a module file as:

​

declare global {

  var NEW_GLOBAL: string;

}

// And in a non-module file (no top-level import/export) as:

​

declare var NEW_GLOBAL: string;

​

// Important note: variable must be declared as var. 

// let or const variables doesn't show up on globalThis.