# File lib/wsdl/definitions.rb, line 92
  def collect_simpletypes
    result = XSD::NamedElements.new
    if @types
      @types.schemas.each do |schema|
        result.concat(schema.collect_simpletypes)
      end
    end
    @imports.each do |import|
      result.concat(import.content.collect_simpletypes)
    end
    result
  end