code: public Tree insert(int index, byte[] value, boolean asBase64String) {
  		if (asBase64String) {
  			return insertObjectInternal(index, BASE64.encode(value));
  		}
  		return insertObjectInternal(index, value);
  	}
docs: Inserts the specified byte array at the specified position in this List.
  
  @param index
  index at which the specified element is to be inserted
  @param value
  array value to be inserted
  @param asBase64String
  store byte array as BASE64 String
  
  @return this node
  
  @throws IndexOutOfBoundsException
  if the index is out of range