private final AtomicBoolean closed = new AtomicBoolean(false);

    public RepositorySystemSupplier() {}

    private void checkClosed() {
        if (closed.get()) {
            throw new IllegalStateException("Supplier is closed");
        }
    }

    private PathProcessor pathProcessor;

    public final PathProcessor getPathProcessor() {
        checkClosed();

    }

    private static final Pattern UNIX_PID_PATTERN = Pattern.compile("([0-9]+)");
    private static final Pattern WINDOWS_PID_PATTERN = Pattern.compile("([0-9]+)\\s*$");
    private static final String MY_PID = String.valueOf(ProcessHandle.current().pid());
    private static final String JAVA_EXECUTABLE_PATTERN_STR = "java(?:\\.exe)?";
    private static final String GRADLE_MAIN_CLASS_PATTERN_STR = "(org\\.gradle\\.[a-zA-Z]+)";

		Cache:    &cache,
	})
	if err != nil {
		return cache, toStorageErr(err)
	}
	var final *dataUsageCache
	err = st.Results(func(resp *nsScannerResp) error {
		if resp.Update != nil {
			select {
			case <-ctx.Done():
			case updates <- *resp.Update:
			}
		}
		if resp.Final != nil {
			final = resp.Final
		}
		// We can't reuse the response since it is sent upstream.
		return nil
	})

		if opts.EncryptFn != nil {
			fi.Checksum = opts.EncryptFn("object-checksum", fi.Checksum)
		}
	}
	delete(fi.Metadata, hash.MinIOMultipartChecksum) // Not needed in final object.

	// Save the final object size and modtime.
	fi.Size = objectSize
	fi.ModTime = opts.MTime
	if opts.MTime.IsZero() {
		fi.ModTime = UTCNow()
	}

	// Save successfully calculated md5sum.

		nfi := fi
		if !nfi.IsRemote() {
			nfi.Data = nil
			nfi.Erasure.Index = 0
			nfi.Erasure.Checksums = nil
		}
		return nfi
	}

	// We write at temporary location and then rename to final location.
	tmpID := mustGetUUID()
	migrateDataDir := mustGetUUID()

	// Reorder so that we have data disks first and parity disks next.

		t.Errorf("%s: string(buf.Bytes()) == %q, s == %q", testname, string(bytes), s)
	}
}

// Fill buf through n writes of string fus.
// The initial contents of buf corresponds to the string s;
// the result is the final contents of buf returned as a string.
func fillString(t *testing.T, testname string, buf *Buffer, s string, n int, fus string) string {
	check(t, testname+" (fill 1)", buf, s)
	for ; n > 0; n-- {
		m, err := buf.WriteString(fus)

				updates <- cache.clone()

				lastSave = cache.Info.LastUpdate
			case v, ok := <-bucketResults:
				if !ok {
					// Save final state...
					cache.Info.NextCycle = wantCycle
					cache.Info.LastUpdate = time.Now()
					scannerLogOnceIf(ctx, cache.save(ctx, er, dataUsageCacheName), "nsscanner-channel-closed")
					updates <- cache.clone()

	ui, err := s.getStorage().NSScanner(ctx, *params.Cache, updates, madmin.HealScanMode(params.ScanMode), nil)
	wg.Wait()
	if err != nil {
		return grid.NewRemoteErr(err)
	}
	// Send final response.
	resp := storageNSScannerRPC.NewResponse()
	resp.Final = &ui
	out <- resp
	return nil
}

// MakeVolHandler - make a volume.
func (s *storageRESTServer) MakeVolHandler(w http.ResponseWriter, r *http.Request) {

	for _, sum := range e.Checksums {
		if sum.PartNumber == partNumber {
			// Return the checksum
			return sum
		}
	}
	return ChecksumInfo{Algorithm: DefaultBitrotAlgorithm}
}

// ShardFileSize - returns final erasure size from original size.
func (e ErasureInfo) ShardFileSize(totalLength int64) int64 {
	if totalLength == 0 {
		return 0
	}
	if totalLength == -1 {
		return -1
	}
	numShards := totalLength / e.BlockSize

	//
	// A careful programmer will check the return value of close(), since it is quite possible that
	// errors on a previous write(2) operation are reported only on the final close() that releases
	// the open file descriptor.
	//
	// Failing to check the return value when closing a file may lead to silent loss of data.
	// This can especially be observed with NFS and with disk quota.