addAll
Adds all of the elements of the specified collection to the end of this list.
The elements are appended in the order they appear in the elements collection.
Since Kotlin
1.4Return
true
if the list was changed as the result of the operation.
Inserts all of the elements of the specified collection elements into this list at the specified index.
Since Kotlin
1.4Return
true
if the list was changed as the result of the operation.