he element, and the object being traversed.
    </p>
    <p>
    `findLastIndex` does not directly mutate the object on which it is called but the object may be mutated by the calls to _predicate_.
    </p>
    <p>
    The range of elements processed by `findLastIndex` is set before the first call to _predicate_.
    Elements that are appended to the array after the call to `findLastIndex` begins will not be visited by _predicate_.
    If existing elements of the array are changed, their value as pa