Method set

src/main/java/com/amazon/ion/IonSequence.java:174–174

Replaces the element at the specified position in this list with the specified element. @param index index of the element to replace. @param element element to be stored at the specified position. @return the element previously at the specified index. @throws UnsupportedOperationException if thi

(int index, IonValue element)

     *   if the index is out of range ({@code index < 0 || index >= size()}).
     */
    public IonValue set(int index, IonValue element);


    /**