// HTTP request for testing when `objectLayer` is set to `nil`.
	// There is no need to use an existing bucket and valid input for creating the request
	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.

    assertThat(request.headers["If-Modified-Since"]).isNull()
  }

  private fun assertClientSuppliedCondition(
    seed: MockResponse,
    conditionName: String,
    conditionValue: String,
  ): RecordedRequest {
    server.enqueue(
      seed.newBuilder()
        .body("A")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()

    server.enqueue(MockResponse(body = "seed connection pool"))
    server.enqueue(MockResponse(socketPolicy = DisconnectAfterRequest))
    server.enqueue(MockResponse(body = "unreachable!"))
    client =
      client.newBuilder()
        .dns(DoubleInetAddressDns())
        .retryOnConnectionFailure(false)
        .build()
    executeSynchronously("/").assertBody("seed connection pool")

	// if encryption is enabled we do not need explicit "REPLACE" metadata to
	// be enabled as well - this is to allow for key-rotation.
	if !isDirectiveReplace(r.Header.Get(xhttp.AmzMetadataDirective)) && !isDirectiveReplace(r.Header.Get(xhttp.AmzTagDirective)) &&
		srcInfo.metadataOnly && srcOpts.VersionID == "" && !objectEncryption {
		// If x-amz-metadata-directive is not set to REPLACE then we need

   * <p>Since this method uses {@code HashMap} instances internally, the keys of the supplied maps
   * must be well-behaved with respect to {@link Object#equals} and {@link Object#hashCode}.
   *
   * <p><b>Note:</b>If you only need to know whether two maps have the same mappings, call {@code
   * left.equals(right)} instead of this method.
   *
   * @param left the map to treat as the "left" map for purposes of comparison

		if addedCount == 0 {
			return madmin.ReplicateAddStatus{}, peerAddErr
		}
		// In this case, it means at least one cluster was added
		// successfully, we need to send a response to the client with
		// some details - FIXME: the disks on this cluster would need to
		// be cleaned to recover.
		partial := madmin.ReplicateAddStatus{
			Status:    madmin.ReplicateAddStatusPartial,
			ErrDetail: peerAddErr.Error(),
		}

	rcfg, err := getReplicationConfig(ctx, bucket)
	if err != nil || rcfg == nil {
		replLogOnceIf(ctx, err, bucket)
		return
	}
	// If incoming request is a replication request, it does not need to be re-replicated.
	if delOpts.ReplicationRequest {
		return
	}
	// Skip replication if this object's prefix is excluded from being
	// versioned.
	if !delOpts.Versioned {
		return
	}

  |   be done with a regex, but we need inter-field validation and rules which could be
  |   dealt with by something like drools.
  |
  | o i18n: would be good to be able to have names/descriptions/specifications
  |   in as many languages as possible. (see MNG-3626)
  |
  | o annotation mechanism so that changes to the model can be accurately tracked.
  |

	durationStr := r.Form.Get(peerRESTDuration)
	duration, err := time.ParseDuration(durationStr)
	if err != nil {
		duration = globalNetPerfMinDuration
	}

	if duration < globalNetPerfMinDuration {
		// We need sample size of minimum 10 secs.
		duration = globalNetPerfMinDuration
	}

	duration = duration.Round(time.Second)

	results, err := globalSiteReplicationSys.Netperf(ctx, duration)
	if err != nil {

</p>

<p>
After a backslash, certain single-character escapes represent special values:
</p>

<pre class="grammar">
\a   U+0007 alert or bell
\b   U+0008 backspace
\f   U+000C form feed
\n   U+000A line feed or newline
\r   U+000D carriage return
\t   U+0009 horizontal tab
\v   U+000B vertical tab
\\   U+005C backslash
\'   U+0027 single quote  (valid escape only within rune literals)