map(object({
    port                    = optional(number)
    project                 = optional(string)
    protocol                = optional(string)
    port_name               = optional(string)
    description             = optional(string)
    enable_cdn              = optional(bool)
    compression_mode        = optional(string)
    security_policy         = optional(string, null)
    edge_security_policy    = optional(string, null)
    custom_request_headers  = optional(list(string))
    custom_response_headers = optional(list(string))

    timeout_sec                     = optional(number)
    connection_draining_timeout_sec = optional(number)
    session_affinity                = optional(string)
    affinity_cookie_ttl_sec         = optional(number)
    locality_lb_policy              = optional(string)

    health_check = optional(object({
      host                = optional(string)
      request_path        = optional(string)
      request             = optional(string)
      response            = optional(string)
      port                = optional(number)
      port_name           = optional(string)
      proxy_header        = optional(string)
      port_specification  = optional(string)
      protocol            = optional(string)
      check_interval_sec  = optional(number)
      timeout_sec         = optional(number)
      healthy_threshold   = optional(number)
      unhealthy_threshold = optional(number)
      logging             = optional(bool)
    }))

    log_config = object({
      enable      = optional(bool)
      sample_rate = optional(number)
    })

    groups = list(object({
      group       = string
      description = optional(string)

      balancing_mode               = optional(string)
      capacity_scaler              = optional(number)
      max_connections              = optional(number)
      max_connections_per_instance = optional(number)
      max_connections_per_endpoint = optional(number)
      max_rate                     = optional(number)
      max_rate_per_instance        = optional(number)
      max_rate_per_endpoint        = optional(number)
      max_utilization              = optional(number)
    }))
    iap_config = optional(object({
      enable               = bool
      oauth2_client_id     = optional(string)
      oauth2_client_secret = optional(string)
    }))
    cdn_policy = optional(object({
      cache_mode                   = optional(string)
      signed_url_cache_max_age_sec = optional(string)
      default_ttl                  = optional(number)
      max_ttl                      = optional(number)
      client_ttl                   = optional(number)
      negative_caching             = optional(bool)
      negative_caching_policy = optional(object({
        code = optional(number)
        ttl  = optional(number)
      }))
      serve_while_stale = optional(number)
      cache_key_policy = optional(object({
        include_host           = optional(bool)
        include_protocol       = optional(bool)
        include_query_string   = optional(bool)
        query_string_blacklist = optional(list(string))
        query_string_whitelist = optional(list(string))
        include_http_headers   = optional(list(string))
        include_named_cookies  = optional(list(string))
      }))
      bypass_cache_on_request_headers = optional(list(string))
    }))
    outlier_detection = optional(object({
      base_ejection_time = optional(object({
        seconds = number
        nanos   = optional(number)
      }))
      consecutive_errors                    = optional(number)
      consecutive_gateway_failure           = optional(number)
      enforcing_consecutive_errors          = optional(number)
      enforcing_consecutive_gateway_failure = optional(number)
      enforcing_success_rate                = optional(number)
      interval = optional(object({
        seconds = number
        nanos   = optional(number)
      }))
      max_ejection_percent        = optional(number)
      success_rate_minimum_hosts  = optional(number)
      success_rate_request_volume = optional(number)
      success_rate_stdev_factor   = optional(number)
    }))
  }))

[
  "default"
]

[
  "default"
]