asset bundle.js 3.15 KiB [emitted] (name: main)
cached modules 204 bytes [cached] 2 modules
./app.ts 206 bytes [built] [code generated] [1 error]

ERROR in app.ts
./app.ts 3:12-24
[tsl] ERROR in app.ts(3,13)
      TS2551: Property 'doSomething2' does not exist on type 'typeof externalLib'. Did you mean 'doSomething'?
ts-loader-default_609318b4f68865d3

webpack compiled with 1 error