### Cluster-writeable probe

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

```
curl http://minio1:9001/minio/health/cluster
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
X-Amz-Request-Id: 16239D6AB80EBECF
X-Xss-Protection: 1; mode=block

        // Wildcard shouldn't affect accept logic.
        DosFileFilter customFilter = new DosFileFilter("*.txt", SmbFile.ATTR_DIRECTORY);
        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_DIRECTORY);
        assertTrue(customFilter.accept(file), "Wildcard should be ignored in accept");
    }

    @Test
    public void testAcceptHandlesNullFile() {

        RequestParam rp = RequestParam.NO_RETRY;

        // Act: pass to the collaborator
        consumer.accept(rp);

        // Assert: interaction happened exactly once with correct argument; no other calls
        verify(consumer, times(1)).accept(RequestParam.NO_RETRY);
        verifyNoMoreInteractions(consumer);
    }

        printStream.accept("");
        // we have no DI here (to discover)
        printStream.accept("Goals:");
        printStream.accept("  diag - display encryption configuration diagnostic");
        printStream.accept("  init - wizard to configure encryption (interactive only)");
        printStream.accept("  encrypt - encrypts input");
        printStream.accept("  decrypt - decrypts encrypted input");

    if (streamA.isParallel() || streamB.isParallel()) {
      zip(streamA, streamB, TemporaryPair::new).forEach(pair -> consumer.accept(pair.a, pair.b));
    } else {
      Iterator<A> iterA = streamA.iterator();
      Iterator<B> iterB = streamB.iterator();
      while (iterA.hasNext() && iterB.hasNext()) {
        consumer.accept(iterA.next(), iterB.next());
      }
    }
  }

  /**
   * Invokes {@code latch.}{@link CountDownLatch#await(long, TimeUnit) await(timeout, unit)}
   * uninterruptibly.
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static boolean awaitUninterruptibly(CountDownLatch latch, long timeout, TimeUnit unit) {
    boolean interrupted = false;
    try {
      long remainingNanos = unit.toNanos(timeout);

  /** The HTTP {@code Accept} header field name. */
  public static final String ACCEPT = "Accept";

  /** The HTTP {@code Accept-Charset} header field name. */
  public static final String ACCEPT_CHARSET = "Accept-Charset";

  /** The HTTP {@code Accept-Encoding} header field name. */
  public static final String ACCEPT_ENCODING = "Accept-Encoding";

  /** The HTTP {@code Accept-Language} header field name. */

                executeCallbacks.add(callback);
            }
        }
        if (executeCallbacks.size() > 0) {
            try {
                executeCallbacks.stream().forEach(callback -> callback.accept(response));
            } catch (final Exception ignore) {}
        }
        latch.countDown();
    }

    /**
     * Rejects the deferred computation with the given throwable.
     * @param t The throwable.

        when(filter.accept(resource)).thenReturn(false, true);

        TestIterator iterator = new TestIterator(filter);

        // Verify iteration
        assertTrue(iterator.hasNext());
        assertSame(resource, iterator.next());
        assertFalse(iterator.hasNext());

        // Both resources should be closed
        verify(filter, times(2)).accept(resource);

        // Filter accepts names starting with "keep"
        when(filter.accept(any())).thenAnswer(inv -> {
            SmbResource res = inv.getArgument(0);
            return res.getName().startsWith("keep");
        });

        ShareEnumIterator it = new ShareEnumIterator(parent, entries.iterator(), filter);

        // Returns only accepted resources
        assertTrue(it.hasNext());