val realChain = chain as RealInterceptorChain
    val exchange = realChain.call.initExchange(realChain)
    val connectedChain = realChain.copy(exchange = exchange)
    return connectedChain.proceed(realChain.request)
  }

   */
  fun onFailure(
    call: Call,
    e: IOException,
  )

  /**
   * Called when the HTTP response was successfully returned by the remote server. The callback may
   * proceed to read the response body with [Response.body]. The response is still live until its
   * response body is [closed][ResponseBody]. The recipient of the callback may consume the response
   * body on another thread.
   *

    override fun intercept(chain: Interceptor.Chain): Response {
      val level = this.level

      val request = chain.request()
      if (level == Level.NONE) {
        return chain.proceed(request)
      }

      val logBody = level == Level.BODY
      val logHeaders = logBody || level == Level.HEADERS

      val requestBody = request.body

      val connection = chain.connection()

			cat "${WORK_DIR}/dist-minio-server$i.log"
		done
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	sleep 1
	if pgrep minio; then
		# forcibly killing, to proceed further properly.
		if ! pkill -9 minio; then
			echo "no minio process running anymore, proceed."
		fi
	fi
}

function check_heal() {
	if ! grep -q 'Status:' ${WORK_DIR}/dist-minio-*.log; then
		return 1
	fi

	for ((i = 0; i < 20; i++)); do

class UppercaseResponseInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Chain): Response {
    return uppercaseResponse(chain.proceed(chain.request()))
  }

  private fun uppercaseResponse(response: Response): Response {
    val uppercaseBody: ResponseBody =
      object : ForwardingResponseBody(response.body) {

import (
	"context"
	"errors"
)

// errMaxVersionsExceeded return error beyond 10000 (default) versions per object
var errMaxVersionsExceeded = StorageErr("maximum versions exceeded, please delete few versions to proceed")

// errUnexpected - unexpected error, requires manual intervention.
var errUnexpected = StorageErr("unexpected error, please report this issue at https://github.com/minio/minio/issues")

/** Rewrites the request body sent to the server to be all uppercase.  */
class UppercaseRequestInterceptor : Interceptor {
  @Throws(IOException::class)
  override fun intercept(chain: Chain): Response {
    return chain.proceed(uppercaseRequest(chain.request()))
  }

  /** Returns a request that transforms `request` to be all uppercase.  */
  private fun uppercaseRequest(request: Request): Request {
    val uppercaseBody: RequestBody =

You may query the cluster probe endpoint to check if the node which received the request can be taken down for maintenance, if the server replies back '412 Precondition Failed' this means you will lose HA. '200 OK' means you are okay to proceed.

```
curl http://minio1:9001/minio/health/cluster?maintenance=true
HTTP/1.1 412 Precondition Failed
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1

        String pin = CertificatePinner.pin(certificate);
        if (denylist.contains(pin)) {
          throw new IOException("Denylisted peer certificate: " + pin);
        }
      }
      return chain.proceed(chain.request());
    }
  };

  private final OkHttpClient client = new OkHttpClient.Builder()
      .addNetworkInterceptor(CHECK_HANDSHAKE_INTERCEPTOR)
      .build();

  public void run() throws Exception {

}

// IsK8VersionSupported checks minimum supported Kubernetes version for Istio.
// If the K8s version is not at least the `MinK8SVersion`, it logs a message warning the user that they
// may experience problems if they proceed with the install.
func IsK8VersionSupported(c kube.Client, l clog.Logger) error {
	serverVersion, err := c.GetKubernetesVersion()
	if err != nil {
		return fmt.Errorf("error getting Kubernetes version: %w", err)
	}