writeErrorResponse(ctx, w, errorCodes.ToAPIErr(errCode), r.URL)
		return
	}

	if maxUploads < 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidMaxUploads), r.URL)
		return
	}

	if keyMarker != "" {
		// Marker not common with prefix is not implemented.
		if !HasPrefix(keyMarker, prefix) {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
			return
		}
	}

	objectAPI := api.ObjectAPI()
	if objectAPI == nil {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

	if s3Error := checkRequestAuthType(ctx, r, policy.ListBucketVersionsAction, bucket, ""); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}
	var checkObjMeta metaCheckFn
	if metadata {

				}
			}
		}
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// We do not allow offsetting into extracted files.
	if opts.PartNumber != 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPartNumber), r.URL)
		return
	}

	if r.Header.Get(xhttp.Range) != "" {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidRange), r.URL)
		return
	}

		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

	cred, owner, s3Err := validateAdminSignature(ctx, r, "")
	if s3Err != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	accessKey := mux.Vars(r)["accessKey"]
	if accessKey == "" {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	if globalEndpoints.Legacy() {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
		return
	}

	z, ok := objectAPI.(*erasureServerPools)
	if !ok || len(z.serverPools) == 1 {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
		return
	}

	if z.IsDecommissionRunning() {

		return nil
	}
	desc := resp.Header.Get(xhttp.AmzFwdErrorMessage)
	if strings.TrimSpace(desc) == "" {
		apiErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		return &apiErr
	}
	code := resp.Header.Get(xhttp.AmzFwdErrorCode)
	if strings.TrimSpace(code) == "" {
		apiErr := errorCodes.ToAPIErr(ErrInvalidRequest)
		apiErr.Description = desc
		return &apiErr
	}
	return &APIError{
		HTTPStatusCode: statusCode,

			writeHeaders()
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)
			return true
		}
	}

	etagMatch := opts.PreserveETag != "" && isETagEqual(objInfo.ETag, opts.PreserveETag)
	vidMatch := opts.VersionID != "" && opts.VersionID == objInfo.VersionID
	if etagMatch && vidMatch {
		writeHeaders()
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrPreconditionFailed), r.URL)
		return true
	}

	if s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}
	if partNumberMarker < 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPartNumberMarker), r.URL)
		return
	}
	if maxParts < 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidMaxParts), r.URL)
		return
	}

	opts := ObjectOptions{}

		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

	cred, owner, s3Err := validateAdminSignature(ctx, r, "")
	if s3Err != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(s3Err), r.URL)
		return
	}

	if !globalIAMSys.OpenIDConfig.Enabled {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminOpenIDNotEnabled), r.URL)
		return
	}

		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(adminAPIErr), r.URL)
		return
	}

	if globalNotificationSys == nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServerNotInitialized), r.URL)
		return
	}

	if !globalNotificationSys.DownloadProfilingData(ctx, w) {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminProfilerNotEnabled), r.URL)
		return
	}
}