/src/a.ts(5,3): error TS2345: Argument of type 'X' is not assignable to parameter of type 'X'.
  Types have separate declarations of a private property 'x'.


==== /src/a.ts (1 errors) ====
    import { a } from "a";
    import { b } from "b";
    import { c } from "c";
    a(b); // Works
    a(c); // Error, these are from different versions of the library.
      ~
!!! error TS2345: Argument of type 'X' is not assignable to parameter of type 'X'.
!!! error TS2345:   Types have separate declarations of a private property 'x'.
    
==== /node_modules/a/index.d.ts (0 errors) ====
    import X from "x";
    export function a(x: X): void;
    
==== /node_modules/a/node_modules/x/index.d.ts (0 errors) ====
    export default class X {
        private x: number;
    }
    
==== /node_modules/a/node_modules/x/package.json (0 errors) ====
    { "name": "x", "version": "1.2.3" }
    
==== /node_modules/b/index.d.ts (0 errors) ====
    import X from "x";
    export const b: X;
    
==== /node_modules/b/node_modules/x/index.d.ts (0 errors) ====
    content not parsed
    
==== /node_modules/b/node_modules/x/package.json (0 errors) ====
    { "name": "x", "version": "1.2.3" }
    
==== /node_modules/c/index.d.ts (0 errors) ====
    import X from "x";
    export const c: X;
    
==== /node_modules/c/node_modules/x/index.d.ts (0 errors) ====
    export default class X {
        private x: number;
    }
    
==== /node_modules/c/node_modules/x/package.json (0 errors) ====
    { "name": "x", "version": "1.2.4" }
    