def read_get_item_response_messages(client, get_item_response_messages)
      get_item_response_messages = [get_item_response_messages] if !get_item_response_messages.is_a?(Array)
      items = get_item_response_messages.map do |girm|
        read_items(client, girm[:items])
      end.flatten
    end
def read_get_item_response_messages(client, get_item_response_messages)
      get_item_response_messages = [get_item_response_messages] if !get_item_response_messages.is_a?(Array)
      items = get_item_response_messages.map do |girm|
        read_items(client, girm[:items])
      end.flatten
    end
return a list of Item objects from a list of GetItemResponseMessages