function sortedLastIndex(array, value) {
      return baseSortedIndex(array, value, true);
    }
This method is like `_.sortedIndex` except that it returns the highest
index at which `value` should be inserted into `array` in order to
maintain its sort order.

@static
@memberOf _
@since 3.0.0
@category Array
@param {Array} array The sorted array to inspect.
@param {*} value The value to evaluate.
@returns {number} Returns the index at which `value` should be inserted
 into `array`.
@example

_.sortedLastIndex([4, 5, 5, 5, 6], 5);
// => 4