An example of declaring visibility of existing methods in Ruby.

even_more_access_control_examples.rb

class EvenMoreAccessControlExamples
  def public_by_default
  end
  
  def protected_method
  end
  
  def this_is_public_too
  end
  
  def private_method
  end

  protected :protected_method
  public :public_by_default, :this_is_public_too
  private :private_method
end