c:/app/main.ts(1,8): error TS2882: Cannot find module or type declarations for side-effect import of 'test'.


==== c:/test.d.ts (0 errors) ====
    export {}; 
==== c:/app/main.ts (1 errors) ====
    import "test"
           ~~~~~~
!!! error TS2882: Cannot find module or type declarations for side-effect import of 'test'.