install
fun <TBuilder : Any, TPlugin : Any> install(plugin: HttpClientPlugin<TBuilder, TPlugin>, configure: TBuilder.() -> Unit = {})
Installs the specified plugin and optionally configures it using the configure block. Learn more from Plugins.
Installs an interceptor defined by block. The key parameter is used as a unique name, that also prevents installing duplicated interceptors.
Applies all the installed plugins and customInterceptors from this configuration into the specified client.