fun log(message: String)

      companion object {
        /** A [Logger] defaults output appropriate for the current platform. */
        @JvmField
        val DEFAULT: Logger = DefaultLogger()

        private class DefaultLogger : Logger {
          override fun log(message: String) {
            Platform.get().log(message)
          }
        }
      }
    }

    fun redactHeader(name: String) {