DefinitelyTyped/types/angular-environment/angular-environment-tests.ts

var envServiceProvider: angular.environment.ServiceProvider;
var envService: angular.environment.Service;

envServiceProvider.config({
  domains: {
    development: ['localhost', 'dev.local'],
    production: ['acme.com', 'acme.net', 'acme.org']
  },
  vars: {
    development: {
      apiUrl: '//localhost/api',
      staticUrl: '//localhost/static'
    },
    production: {
      apiUrl: '//api.acme.com/v2',
      staticUrl: '//static.acme.com'
    }
  }
});

envServiceProvider.check();

envService.get();

envService.set('production');

var isProd: boolean = envService.is('production');

var val: any = envService.read('apiUrl');