@Override
    protected void moveIndex(long from, long to) {
		try {
			int value = getInt(from);
			remove(from);
			putInt(to, value);
		}
		catch (NoValueException e) {
			// ignore
		}
	}
Retrieves the int value stored at the given index.
@param index the index at which to retrieve the int value.
@return int the value stored at the given index.
@throws NoValueException if there is no int value stored at the index.
Ghidra/Framework/Generic/src/main/java/ghidra/util/map/IntValueMap.java