index.ts(6,3): error TS2564: Property 'field' has no initializer and is not definitely assigned in the constructor.


==== services.ts (0 errors) ====
    export namespace Services {
      export class Service {}
    }
    
==== index.ts (1 errors) ====
    import type { Services } from './services';
    
    declare const decorator: any;
    export class Main {
      @decorator()
      field: Services.Service;
      ~~~~~
!!! error TS2564: Property 'field' has no initializer and is not definitely assigned in the constructor.
    }
    