HttpClient.kt

public class HttpClient(
    public val engine: HttpClientEngine,
    private val userConfig: HttpClientConfig<out HttpClientEngineConfig> = HttpClientConfig()
) : {

   init {
        with(userConfig) {
            config.install(HttpRequestLifecycle)
            config.install(BodyProgress)
            if (useDefaultTransformers) {
                config.install(HttpPlainText)
                config.install("DefaultTransformers") { defaultTransformers() }
            }
            config.install(HttpSend)
            if (followRedirects) {
                config.install(HttpRedirect)
            }
            config += this
            config.addDefaultResponseValidation()
            config.install(this@HttpClient)
        }
    }
   
   /**
     * Returns a new [HttpClient] copying this client configuration,
     * and additionally configured by the [block] parameter.
     */
    public fun config(block: HttpClientConfig<*>.() -> Unit): HttpClient = HttpClient(
        engine,
        HttpClientConfig<HttpClientEngineConfig>().apply {
            plusAssign(userConfig)
            block()
        },
        manageEngine
    )
}