*
 * @param <B> The concrete type of this builder (the 'self-type'). All the Builder methods of this
 *     class (such as {@link #named(String)}) return this type, so that Builder methods of more
 *     derived classes can be chained onto them without casting.
 * @param <G> The type of the generator to be passed to testers in the generated test suite. An
 *     instance of G should somehow provide an instance of the class under test, plus any other

        assertNull(exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    @Test
    public void test_nestedExceptionChain() {
        // Test nested exception chain
        Exception rootCause = new IllegalStateException("Root cause");
        Exception middleCause = new RuntimeException("Middle cause", rootCause);
        String message = "Top level error";

    InternalEntry<Object, Object, ?> entry = null;
    for (int i = 0; i < originalCount; i++) {
      Object key = new Object();
      Object value = new Object();
      int hash = map.hash(key);
      // chain all entries together as we only have a single bucket
      entry = segment.newEntryForTesting(key, hash, entry);
      segment.setValueForTesting(entry, value);
    }
    segment.setTableEntryForTesting(0, entry);

    InternalEntry<Object, Object, ?> entry = null;
    for (int i = 0; i < originalCount; i++) {
      Object key = new Object();
      Object value = new Object();
      int hash = map.hash(key);
      // chain all entries together as we only have a single bucket
      entry = segment.newEntryForTesting(key, hash, entry);
      segment.setValueForTesting(entry, value);
    }
    segment.setTableEntryForTesting(0, entry);

   *   .build();
   * ```
   */
  internal class LegacyRedirectInterceptor : Interceptor {
    override fun intercept(chain: Interceptor.Chain): Response {
      val response = chain.proceed(chain.request())
      val code = response.code
      if (code != HTTP_TEMP_REDIRECT && code != HTTP_PERM_REDIRECT) return response
      val method = response.request.method

	opts      madmin.HealOpts
	// Healing response will be sent here
	respCh chan healResult
}

// healResult represents a healing result with a possible error
type healResult struct {
	result madmin.HealResultItem
	err    error
}

// healRoutine receives heal tasks, to heal buckets, objects and format.json
type healRoutine struct {
	tasks   chan healTask
	workers int
}

func activeListeners() int {

	if handler == nil {
		return nil, ErrUnknownHandler
	}

	var requests chan []byte
	var responses chan Response
	if handler.InCapacity > 0 {
		requests = make(chan []byte, handler.InCapacity)
	}
	if handler.OutCapacity > 0 {
		responses = make(chan Response, handler.OutCapacity)
	} else {
		responses = make(chan Response, 1)
	}

	cl, err := c.newMuxClient(ctx)
	if err != nil {

        if (lastEntryIndex == -1) {
          // we need to update the root link from table[]
          tableSet(table, tableIndex, newNext);
        } else {
          // we need to update the link from the chain
          entries[lastEntryIndex] = maskCombine(entries[lastEntryIndex], newNext, mask);
        }

        return entryIndex;
      }
      lastEntryIndex = entryIndex;
      next = getNext(entry, mask);

        // When
        ServerMessageBlock2Request<?> next = request.getNext();

        // Then
        assertNull(next, "Cancel requests should not have next requests in chain");
    }

    @Test
    @DisplayName("Test getOverrideTimeout returns null")
    void testGetOverrideTimeout() {
        // Given
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, 1L, 0L);

      prev.setFuture(curr);
      prev = curr;
    }
    // prev represents the 'innermost' future
    prev.set("done");
    assertTrue(orig.isDone());
  }

  // Verify that StackOverflowError in a long chain of SetFuture doesn't cause the entire toString
  // call to fail
  @J2ktIncompatible
  @GwtIncompatible
  @AndroidIncompatible // b/391667564: crashes from stack overflows