# File lib/sawyer/resource.rb, line 131
    def to_attrs
      hash = self.attrs.clone
      hash.keys.each do |k|
        if hash[k].is_a?(Sawyer::Resource)
          hash[k] = hash[k].to_attrs
        elsif hash[k].is_a?(Array) && hash[k].all?{|el| el.is_a?(Sawyer::Resource)}
          hash[k] = hash[k].collect{|el| el.to_attrs}
        end
      end
      hash
    end