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Test Info:

// META: global=window,worker
test(() => {
const assert = "ServiceWorkerGlobalScope" in globalThis ? assert_equals : assert_not_equals;
assert(globalThis.Worker, undefined);
}, "Worker exposure");
test(() => {
const assert = globalThis.GLOBAL.isWindow() ? assert_not_equals : assert_equals;
assert(globalThis.SharedWorker, undefined);
}, "SharedWorker exposure");