chromium/out/Default/gen/v8/torque-generated/src/objects/js-collection-iterator-tq.inc

class JSCollectionIterator;
// Alias for IsJSCollectionIterator() that avoids inlining.
// https://source.chromium.org/chromium/chromium/src/+/main:v8/src/objects/js-collection-iterator.tq?l=5&c=1
V8_EXPORT_PRIVATE bool IsJSCollectionIterator_NonInline(Tagged<HeapObject> o);

// Definition https://source.chromium.org/chromium/chromium/src/+/main:v8/src/objects/js-collection-iterator.tq?l=5&c=1
template <class D, class P>
class TorqueGeneratedJSCollectionIterator : public P { … };