method
    
    next_sibling=
 
  next_sibling=( other )
  public
  Sets the next sibling of this child. This can be used to insert a child after some other child. a = Element.new(“a”) b = a.add_element(“b”) c = Element.new(“c”) b.next_sibling = c # => <a><c/>

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
   = private
 = private = protected
 = protected
  