namespace Example {
  export interface Inner {
    test: string;
  }
  export type test2 = number; 
}
// Duplicate identifier 'test2'.
namespace Example {
  export interface Inner {
    test1: boolean;
  }
  export type test2 = number; 
}
// Duplicate identifier 'test2'.
const ex1: Example.Inner = {
  test: 'hello',
  test1: true,
}