add All
Adds all elements to the MutableVector at the given index, shifting over any elements that are in the way.
Adds all elements to the end of the MutableVector and returns true if the MutableVector was changed.
Adds all elements to the MutableVector at the given index, shifting over any elements that are in the way.
Adds all elements to the end of the MutableVector and returns true if the MutableVector was changed.