## Healing Metrics

| Name                                         | Description                                                      |
|:---------------------------------------------|:-----------------------------------------------------------------|
| `minio_heal_objects_errors_total`            | Objects for which healing failed in current self healing run.    |

Read more on how to use these endpoints in [MinIO healthcheck guide](https://github.com/minio/minio/blob/master/docs/metrics/healthcheck/README.md).

## Prometheus Probe

  ) {
  }

  /**
   * No further calls to this listener will be made.
   */
  open fun onClosed(eventSource: EventSource) {
  }

  /**
   * Invoked when an event source has been closed due to an error reading from or writing to the
   * network. Incoming events may have been lost. No further calls to this listener will be made.
   */
  open fun onFailure(
    eventSource: EventSource,
    t: Throwable?,

    int readTrailerWireFormat(final InputStream in, final byte[] buffer, int bufferIndex) throws IOException {
        if (in.read(buffer, bufferIndex, length) != length) {
            throw new IOException("unexpected EOF reading netbios retarget session response");
        }
        final int addr = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        retargetAddress = new NbtAddress(null, addr, false, NbtAddress.B_NODE);

    // streams. Buffers are retained in a deque so that there's no copying between buffers while
    // reading and so all of the bytes in each new allocated buffer are available for reading from
    // the stream.
    for (int bufSize = initialBufferSize;
        totalLen < MAX_ARRAY_LEN;
        bufSize = IntMath.saturatedMultiply(bufSize, bufSize < 4096 ? 4 : 2)) {

     * to support prefix and suffix matching in search operations.
     *
     * @param query the query string to wrap with wildcards
     * @return the wrapped query string with leading and trailing asterisks
     */
    protected static String wrapQuery(final String query) {
        final StringBuilder sb = new StringBuilder();
        if (!query.startsWith("*")) {
            sb.append("*");
        }

    /**
     * Gets the pipe resource associated with this handle.
     *
     * @return the pipe
     */
    SmbPipeResource getPipe();

    /**
     * Gets the input stream for reading from this pipe.
     *
     * @return this pipe's input stream
     * @throws CIFSException if an error occurs getting the input stream
     */
    InputStream getInput() throws CIFSException;

    /**

		wg.Add(1)
		go func() {
			defer wg.Done()
			if disks[i] == nil {
				return
			}
			di, err := disks[i].DiskInfo(context.Background(), DiskInfoOptions{})
			if err != nil || di.Healing {
				// - Do not consume disks which are not reachable
				//   unformatted or simply not accessible for some reason.
				//
				// - Do not consume disks which are being healed
				//
				// - Future: skip busy disks

			prometheus.BuildFQName(minioNamespace, "nodes", "offline"),
			"Total number of MinIO nodes offline",
			nil, nil),
		prometheus.GaugeValue,
		float64(nodesDown),
	)
}

// collects healing specific metrics for MinIO instance in Prometheus specific format
// and sends to given channel
func healingMetricsPrometheus(ch chan<- prometheus.Metric) {

import java.io.IOException;
import java.util.List;

/**
 * Interface for converting text into its reading form.
 */
public interface ReadingConverter {

    /**
     * Returns the maximum number of readings.
     *
     * @return the maximum number of readings, default is 10.
     */
    default int getMaxReadingNum() {
        return 10;
    }

    /**