# File lib/jira/base.rb, line 482
    def self.maybe_nested_attribute(attributes, attribute_name, nested_under = nil)
      return attributes[attribute_name] if nested_under.nil?
      if nested_under.instance_of? Array
        final = nested_under.inject(attributes) do |parent, key|
          break if parent.nil?
          parent[key]
        end
        return nil if final.nil?
        final[attribute_name]
      else
        return attributes[nested_under][attribute_name]
      end
    end