/index.ts(4,16): error TS2300: Duplicate identifier 'a'.
/index.ts(7,3): error TS2551: Property 'toFixed' does not exist on type 'string'. Did you mean 'fixed'?
/test.js(2,3): error TS2300: Duplicate identifier 'a'.


==== /test.js (1 errors) ====
    module.exports = {
      a: "ok"
      ~
!!! error TS2300: Duplicate identifier 'a'.
!!! related TS6203 /index.ts:4:16: 'a' was also declared here.
    };
    
==== /index.ts (2 errors) ====
    import { a } from "./test";
    
    declare module "./test" {
      export const a: number;
                   ~
!!! error TS2300: Duplicate identifier 'a'.
!!! related TS6203 /test.js:2:3: 'a' was also declared here.
    }
    
    a.toFixed();
      ~~~~~~~
!!! error TS2551: Property 'toFixed' does not exist on type 'string'. Did you mean 'fixed'?
!!! related TS2728 lib.es2015.core.d.ts:--:--: 'fixed' is declared here.
    