def accounts(id = nil, opts = {})
      id ? Account.load(self, id) : Account.all(self, opts)
    end
def accounts(id = nil, opts = {})
      id ? Account.load(self, id) : Account.all(self, opts)
    end
Returns a collection of advertiser Accounts available to the current access token.

 @example
   client.accounts
   client.accounts('3ofs6l')
   client.accounts('3ofs6l', with_deleted: true)

 @param id=nil [String] The account ID string.
 @param opts={} [Hash] Hash of optional values.

 @option opts [String] :with_deleted Indicates whether or not to included deleted objects.

 @since 0.1.0

 @return [Account] The instance of the Account object.