open fun tag(tag: Any?): Request.Builder
Attaches tag to the request using Object.class as a key.
open fun <T> tag(type: Class<in T>, tag: T?): Request.Builder
Attaches tag to the request using type as a key. Tags can be read from a request using Request.tag. Use null to remove any existing tag assigned for type.
Use this API to attach timing, debugging, or other application data to a request so that you may read it in interceptors, event listeners, or callbacks.