.Builder("AaB03x")
        .setType(MultipartBody.FORM)
        .addFormDataPart(
          "field with spaces",
          "filename with spaces.txt",
          "okay".toRequestBody("text/plain; charset=utf-8".toMediaType()),
        ).addFormDataPart("field with \"", "\"")
        .addFormDataPart("field with %22", "%22")
        .addFormDataPart("field with \u007e", "Alpha")
        .build()
    val buffer = Buffer()

      }

      /** Add a form data part to the body. */
      fun addFormDataPart(
        name: String,
        value: String,
      ) = apply {
        addPart(Part.createFormData(name, value))
      }

      /** Add a form data part to the body. */
      fun addFormDataPart(
        name: String,
        filename: String?,
        body: RequestBody,
      ) = apply {

        val requestBody = MultipartBody.Builder()
            .setType(MultipartBody.FORM)
            .addFormDataPart("title", "Square Logo")
            .addFormDataPart("image", "logo-square.png",
                File("docs/images/logo-square.png").asRequestBody(MEDIA_TYPE_PNG))
            .build()

        val request = Request.Builder()

    val body =
      MultipartBody
        .Builder("boundary")
        .setType(MultipartBody.PARALLEL)
        .addPart("Quick".toRequestBody("text/plain".toMediaType()))
        .addFormDataPart("color", "Brown")
        .addFormDataPart("animal", "fox.txt", "Fox".toRequestBody())
        .build()

    val bodyContent = Buffer()
    body.writeTo(bodyContent)

    val reader = MultipartReader(bodyContent, "boundary")