tests/cases/compiler/main.ts(1,25): error TS2343: This syntax requires an imported helper named '__asyncGenerator', but module 'tslib' has no exported member '__asyncGenerator'.
tests/cases/compiler/main.ts(1,25): error TS2343: This syntax requires an imported helper named '__await', but module 'tslib' has no exported member '__await'.
tests/cases/compiler/main.ts(1,25): error TS2343: This syntax requires an imported helper named '__generator', but module 'tslib' has no exported member '__generator'.
tests/cases/compiler/main.ts(4,5): error TS2343: This syntax requires an imported helper named '__asyncDelegator', but module 'tslib' has no exported member '__asyncDelegator'.
tests/cases/compiler/main.ts(4,5): error TS2343: This syntax requires an imported helper named '__asyncValues', but module 'tslib' has no exported member '__asyncValues'.


==== tests/cases/compiler/main.ts (5 errors) ====
    export async function * f() {
                            ~
!!! error TS2343: This syntax requires an imported helper named '__asyncGenerator', but module 'tslib' has no exported member '__asyncGenerator'.
                            ~
!!! error TS2343: This syntax requires an imported helper named '__await', but module 'tslib' has no exported member '__await'.
                            ~
!!! error TS2343: This syntax requires an imported helper named '__generator', but module 'tslib' has no exported member '__generator'.
        await 1;
        yield 2;
        yield* [3];
        ~~~~~~~~~~
!!! error TS2343: This syntax requires an imported helper named '__asyncDelegator', but module 'tslib' has no exported member '__asyncDelegator'.
        ~~~~~~~~~~
!!! error TS2343: This syntax requires an imported helper named '__asyncValues', but module 'tslib' has no exported member '__asyncValues'.
    }
    
==== tests/cases/compiler/tslib.d.ts (0 errors) ====
    export {}
    