return Part(headers, body)
      }

      @JvmStatic
      fun createFormData(
        name: String,
        value: String,
      ): Part = createFormData(name, null, value.toRequestBody())

      @JvmStatic
      fun createFormData(
        name: String,
        filename: String?,
        body: RequestBody,
      ): Part {
        val disposition =

    part = MultipartBody.Part.create(headersOf(), requestBody)
    part = MultipartBody.Part.create(requestBody)
    part = MultipartBody.Part.createFormData("", "")
    part = MultipartBody.Part.createFormData("", "", requestBody)
    part = MultipartBody.Part.createFormData("", null, requestBody)
    val headers: Headers? = part.headers
    val body: RequestBody = part.body
  }

  @Test
  fun multipartBodyBuilder() {