) {
            cacheRequestClosed = true
            cacheRequest.abort()
          }
          source.close()
        }
      }

    val contentType = response.header("Content-Type")
    val contentLength = response.body.contentLength()
    return response.newBuilder()
      .body(RealResponseBody(contentType, contentLength, cacheWritingSource.buffer()))
      .build()
  }