Cannot find name 'BackgroundMode'. with ionic

[muhammadtalhaishtiaq]

I have added backroundMode module in module.ts and using in component.ts to get it in the whole app.
But when I run
ionic cordova build android
I'm seeing the following error

[alicarlo]

importing it in app.module.ts should be enough, I think this way works until angular 10, is your project with angular?