*/
  @JvmOverloads
  fun toCurl(includeBody: Boolean = true): String =
    buildString {
      append("curl ${url.toString().shellEscape()}")

      val contentType = body?.contentType()?.toString()

      // Add method if not the default.
      val defaultMethod =
        when {
          includeBody && body != null -> "POST"
          else -> "GET"
        }

    val request =
      Request
        .Builder()
        .url("https://api.example.com/upload")
        .post(body)
        .build()

    val curl = request.toCurl(includeBody = false)
    assertThat(curl)
      .isEqualTo(
        """
        |curl 'https://api.example.com/upload' \
        |  -X 'POST' \
        |  -H 'Content-Type: application/octet-stream'