package.json

{
  "name": "guykedem",
  "version": "1.0.0",
  "main": "index.js",
  "author": "Bnaya Peretz",
  "license": "MIT",
  "devDependencies": {
    "collections-deep-equal": "^2.0.0",
    "typescript": "^3.9.6"
  }
}

someCodeFile.ts

declare const myMap: GlobalMap;

someglobalstuff.d.ts

type GlobalMap<K, V> = import('collections-deep-equal').Map<K, V>;

yarn.lock

# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1


collections-deep-equal@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/collections-deep-equal/-/collections-deep-equal-2.0.0.tgz#33b9735535c515e6db18eca946547afb3d8b7ec2"
  integrity sha512-NQKnTWLZYx0oJOi2q0hcyQJtl+Jyj+pcs/2toTPwYBMhTDmTTHsshzYY0/kMvTmXX1EtyGxNhijfCoY0+yOfyg==

typescript@^3.9.6:
  version "3.9.6"
  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.6.tgz#8f3e0198a34c3ae17091b35571d3afd31999365a"
  integrity sha512-Pspx3oKAPJtjNwE92YS05HQoY7z2SFyOpHo9MqJor3BXAGNaPUs83CuVp9VISFkSjyRfiTpmKuAYGJB7S7hOxw==