docs: function setEquals(set1, set2, traversedValues) {
    if (set1.size !== set2.size) {
      return false
    }
    
    return structureEquals(
      set1,
      set2,
      iteratorToArray(set1.values()),
      iteratorToArray(set2.values()),
      () => undefined,
      traversedValues
    )
  }