Which methods would we expect to see in a typical Set interface? a method that removes a specified item from the set a method that tells the number of elements in the set a method that adds an item to the set a method that clears the set a method that tells the length of the underlying array used to represent the set a method that returns the index of a particular item in the set a method that removes duplicate items from the set a method that indicates whether a particular item is in the set a method that counts the number of times a particular item is in the set a method that removes an item at a specified index in the set