level = DeprecationLevel.HIDDEN,
  )
  @JvmStatic
  fun createFactory(client: OkHttpClient) = client.asEventSourceFactory()

  @Deprecated(
    message = "Moved to extension function.",
    replaceWith =
      ReplaceWith(
        expression = "callFactory.asEventSourceFactory()",
        imports = ["okhttp3.sse.EventSource.Factory.Companion.asEventSourceFactory"],
      ),
    level = DeprecationLevel.WARNING,
  )