class RedisClient::SentinelConfig

def initialize(name:, sentinels:, role: :master, **client_config)
  unless %i(master replica slave).include?(role)
    raise ArgumentError, "Expected role to be either :master or :replica, got: #{role.inspect}"
  end
  @to_list_of_hash = @to_hash = nil
  @extra_config = {}
  if client_config[:protocol] == 2
    @extra_config[:protocol] = client_config[:protocol]
    @to_list_of_hash = lambda do |may_be_a_list|
      if may_be_a_list.is_a?(Array)
        may_be_a_list.map { |l| l.each_slice(2).to_h }
      else
        may_be_a_list
      end
    end
  end
  @name = name
  @sentinel_configs = sentinels_to_configs(sentinels)
  @sentinels = {}.compare_by_identity
  @role = role
  @mutex = Mutex.new
  @config = nil
  client_config[:reconnect_attempts] ||= DEFAULT_RECONNECT_ATTEMPTS
  @client_config = client_config || {}
  super(**client_config)
end