def put_auth_tune(path, config = {})
      json = client.put("/v1/sys/auth/#{encode_path(path)}/tune", JSON.fast_generate(config))
      if json.nil?
        return true
      else
        return Secret.decode(json)
      end
    end
def put_auth_tune(path, config = {})
      json = client.put("/v1/sys/auth/#{encode_path(path)}/tune", JSON.fast_generate(config))
      if json.nil?
        return true
      else
        return Secret.decode(json)
      end
    end
Write the given auth path's configuration.

 @example
   Vault.sys.auth_tune("github", "default_lease_ttl" => 600, "max_lease_ttl" => 1200 ) #=>  true

 @param [String] path
   the path to retrieve configuration for

 @return [AuthConfig]
   configuration of the given auth path