fun build(): Headers = commonBuild()
  }

  companion object {
    /** Empty headers. */
    @JvmField
    val EMPTY = Headers(emptyArray())

    /**
     * Returns headers for the alternating header names and values. There must be an even number of
     * arguments, and they must alternate between header names and values.
     */
    @JvmStatic
    @JvmName("of")

	// Header indicates that this request is a replication request to create a REPLICA
	MinIOSourceReplicationRequest = "X-Minio-Source-Replication-Request"
	// Header checks replication permissions without actually completing replication
	MinIOSourceReplicationCheck = "X-Minio-Source-Replication-Check"
	// Header indicates replication reset status.
	MinIOReplicationResetStatus = "X-Minio-Replication-Reset-Status"

    ): Builder = chunkedBody(Buffer().writeUtf8(body), maxChunkSize)

    /** Sets the headers and returns this. */
    public fun headers(headers: Headers): Builder =
      apply {
        this.headers_ = headers.newBuilder()
      }

    /** Sets the trailers and returns this. */
    public fun trailers(trailers: Headers): Builder =
      apply {
        this.trailers_ = trailers.newBuilder()
      }

  @Test fun basicChallenge() {
    val headers =
      Headers
        .Builder()
        .add("WWW-Authenticate: Basic realm=\"protected area\"")
        .build()
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", mapOf("realm" to "protected area"))))
  }

  @Test fun basicChallengeWithCharset() {
    val headers =
      Headers
        .Builder()

      }

    /** Removes all headers on this builder and adds [headers]. */
    open fun headers(headers: Headers) =
      apply {
        this.headers = headers.newBuilder()
      }

    /**
     * Sets this request's `Cache-Control` header, replacing any cache control headers already
     * present. If [cacheControl] doesn't define any directives, this clears this request's
     * cache-control headers.

    val headers = headersOf("User-Agent", "RequestTest")
    val request =
      Request(
        url = url,
        headers = headers,
      )
    assertThat(request.url).isEqualTo(url)
    assertThat(request.headers).isEqualTo(headers)
    assertThat(request.method).isEqualTo("GET")
    assertThat(request.body).isNull()
    assertThat(request.tags).isEqualTo(EmptyTags)
  }

  @Test

        }.toString()
    }

    private fun logHeader(
      headers: Headers,
      i: Int,
    ) {
      val value = if (headers.name(i) in headersToRedact) "██" else headers.value(i)
      logger.log(headers.name(i) + ": " + value)
    }

    private fun bodyHasUnknownEncoding(headers: Headers): Boolean {
      val contentEncoding = headers["Content-Encoding"] ?: return false

  }

  class Part private constructor(
    @get:JvmName("headers") val headers: Headers?,
    @get:JvmName("body") val body: RequestBody,
  ) {
    @JvmName("-deprecated_headers")
    @Deprecated(
      message = "moved to val",
      replaceWith = ReplaceWith(expression = "headers"),
      level = DeprecationLevel.ERROR,
    )
    fun headers(): Headers? = headers

    @JvmName("-deprecated_body")
    @Deprecated(

  }

  /** Accept headers from the network and store them until the client calls [takeHeaders]. */
  fun receiveHeaders(
    headers: Headers,
    inFinished: Boolean,
  ) {
    assertLockNotHeld()

    val open: Boolean
    withLock {
      if (!hasResponseHeaders ||
        headers[Header.RESPONSE_STATUS_UTF8] != null ||
        headers[Header.TARGET_METHOD_UTF8] != null
      ) {

// getCanonicalHeaders generate a list of request headers with their values
func getCanonicalHeaders(signedHeaders http.Header) string {
	var headers []string
	vals := make(http.Header, len(signedHeaders))
	for k, vv := range signedHeaders {
		k = strings.ToLower(k)
		headers = append(headers, k)
		vals[k] = vv
	}
	sort.Strings(headers)

	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')