error TS2318: Cannot find global type 'IterableIterator'.


!!! error TS2318: Cannot find global type 'IterableIterator'.
==== tests/cases/conformance/generators/generatorReturnTypeFallback.2.ts (0 errors) ====
    // Allow generators to fallback to IterableIterator if they do not need a type for the sent value while in strictNullChecks mode.
    // Report an error if IterableIterator cannot be found.
    function* f() {
        yield 1;
    }