# File lib/typed-array.rb, line 29
  def restricted_types(*types)
    @_restricted_types ||= []
    types.each do |type|
      raise UnexpectedTypeException.new([Class],type.class) unless type.is_a? Class
      @_restricted_types << type unless @_restricted_types.include? type
      _subclasses.each do |subclass|
        subclass.restricted_types type
      end
    end
    @_restricted_types
  end