Domain
constructor(backends: List<String>? = null, connectTimeout: Int? = null, focusHttpBackend: Boolean? = null, keepalive: Boolean? = null, keepaliveRequests: Int? = null, keepaliveTimeout: Int? = null, loadbalance: String, readTimeout: Int? = null, requestHeaders: List<DomainRedirectRequestHeader>? = null, retry: Boolean? = null, sniEnabled: Boolean? = null, sniHost: String? = null, writeTimeout: Int? = null)