# File lib/fog/aws/models/iam/managed_policies.rb, line 15
        def all(options={})
          data = if self.username
                   all_by_user(self.username, options)
                 elsif self.group_name
                   all_by_group(self.group_name, options)
                 elsif self.role_name
                   all_by_role(self.role_name, options)
                 else
                   all_policies(options)
                 end

          load(data)
        end