/** Constructor for use by subclasses. */
  protected Ticker() {}

  /** Returns the number of nanoseconds elapsed since this ticker's fixed point of reference. */
  public abstract long read();

  /**
   * A ticker that reads the current time using {@link System#nanoTime}.
   *
   * @since 10.0
   */
  public static Ticker systemTicker() {
    return SYSTEM_TICKER;
  }

import okio.ByteString.Companion.encodeUtf8
import okio.Options
import okio.Source
import okio.Timeout
import okio.buffer

/**
 * Reads a stream of [RFC 2046][rfc_2046] multipart body parts. Callers read parts one-at-a-time
 * until [nextPart] returns null. After calling [nextPart] any preceding parts should not be read.
 *
 * Typical use loops over the parts in sequence:
 *
 * ```kotlin
 * val response: Response = call.execute()

    // The stream reports no bytes... importantly, it doesn't read the byte at index 5 when it
    // should be reading the byte at index 10.
    // We could use a custom InputStream instead to make the read start at index 10, but since this
    // is a racy situation anyway, this behavior seems reasonable.
    assertEquals(-1, in.read());
  }

  private static class AppendableByteSource extends ByteSource {

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test
        @DisplayName("Should maintain state after multiple reads")
        void testMultipleReads() throws SMBProtocolDecodingException {
            // First read
            byte[] buffer1 = createValidWriteResponse(1024, 512);
            response.readBytesWireFormat(buffer1, 0);
            assertEquals(1024, response.getCount());

    false
  }

/**
 * Returns true if new reads and writes should be attempted on this.
 *
 * Unfortunately Java's networking APIs don't offer a good health check, so we go on our own by
 * attempting to read with a short timeout. If the fails immediately we know the socket is
 * unhealthy.
 *
 * @param source the source used to read bytes from the socket.
 */

     * @param enumeration the enumeration to read from
     * @return next element from enumeration cast to type
     * @throws PACDecodingException if types are incompatible
     */
    public static <T extends Object> T as(final Class<T> type, final Enumeration<?> enumeration) throws PACDecodingException {
        return as(type, enumeration.nextElement());
    }

    /**

X-Amz-Request-Id: 16239D6AB80EBECF
X-Xss-Protection: 1; mode=block
Date: Tue, 21 Jul 2020 00:36:14 GMT
```

### Cluster-readable probe

The reply is '200 OK' if cluster has read quorum if not it returns '503 Service Unavailable'.

```
curl http://minio1:9001/minio/health/cluster/read
HTTP/1.1 503 Service Unavailable
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1
X-Minio-Write-Quorum: 3

            SMBUtil.writeInt2(4, buffer, start);
            Smb2LogoffResponse resp = newResponse();

            // Act
            int read = resp.readBytesWireFormat(buffer, start);

            // Assert
            assertEquals(4, read, "Should return the fixed structure size (4)");
        }

        @ParameterizedTest
        @ValueSource(ints = { 0, 1, 7 })

    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**
   * Reads the contents of this byte source using the given {@code processor} to process bytes as
   * they are read. Stops when all bytes have been read or the consumer returns {@code false}.
   * Returns the result produced by the processor.
   *

// the Close() function is called.
type closeNotifier struct {
	rc   io.ReadCloser
	done chan struct{}
}

func (c *closeNotifier) Read(p []byte) (n int, err error) {
	n, err = c.rc.Read(p)
	if err != nil {
		if c.done != nil {
			xioutil.SafeClose(c.done)
			c.done = nil
		}
	}
	return n, err
}

func (c *closeNotifier) Close() error {