* [Call.request] is a redirect to a different address.
   */
  open fun connectionReleased(
    call: Call,
    connection: Connection,
  ) {
  }

  /**
   * Invoked just prior to sending request headers.
   *
   * The connection is implicit, and will generally relate to the last [connectionAcquired] event.
   *
   * This can be invoked more than 1 time for a single [Call]. For example, if the response to the