import { of } from "rxjs";
import { concatMap } from "rxjs/operators";

class MyClass {
    private static STATIC_VAL = "bob";
    private static readonly STATIC_RO_VAL = "bob";

    static_val_notOk () {
        return of(null).pipe(
            concatMap(() => {
                console.log(MyClass.STATIC_VAL);
                            ~~~~~~~                 [no-unsafe-scope]
                return of(null);
            }),
            concatMap(() => {
                console.log(MyClass.STATIC_RO_VAL);
                return of(null);
            })
        );
    }
}

[no-unsafe-scope]: Unsafe scopes are forbidden