public boolean contains(@Nullable Object obj) {
      if (obj instanceof Set) {
        Set<?> set = (Set<?>) obj;
        return inputSet.keySet().containsAll(set);
      }
      return false;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof PowerSet) {
        PowerSet<?> that = (PowerSet<?>) obj;

        return delegate().hashCode();
      }
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (this == obj) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(obj);
      }
    }
  }

        return delegate().hashCode();
      }
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (this == obj) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(obj);
      }
    }
  }

	if objInfo.VersionID != "" && objInfo.VersionID != nullVersionID {
		w.Header()[xhttp.AmzVersionID] = []string{objInfo.VersionID}
	}

	if obj := getObjectLocation(r, globalDomainNames, bucket, object); obj != "" {
		w.Header().Set(xhttp.Location, obj)
	}

	// Notify object created event.
	defer sendEvent(eventArgs{
		EventName:    event.ObjectCreatedPost,
		BucketName:   objInfo.Bucket,

    @Override
    public int hashCode() {
        return this.mid;
    }

    @Override
    public boolean equals(final Object obj) {
        return obj instanceof ServerMessageBlock && ((ServerMessageBlock) obj).mid == this.mid;
    }

    @Override
    public String toString() {
        String c = switch (this.command) {
        case SMB_COM_NEGOTIATE -> "SMB_COM_NEGOTIATE";

	if HasSuffix(object, globalDirSuffix) {
		return strings.TrimSuffix(object, globalDirSuffix) + slashSeparator
	}
	return object
}

func isDirObject(object string) bool {
	if obj := encodeDirObject(object); obj != object {
		object = obj
	}
	return HasSuffix(object, globalDirSuffix)
}

// Helper method to return total number of nodes in cluster
func totalNodeCount() int {

      return (position >= 0) && (position < input.length());
    }
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj == this) {
      return true;
    } else if (obj instanceof MediaType) {
      MediaType that = (MediaType) obj;
      return this.type.equals(that.type)
          && this.subtype.equals(that.subtype)
          // compare parameters regardless of order

 *
 *   {@literal @Override} public boolean equals(Object obj) {...}
 *   {@literal @Override} public int hashCode() {...}
 *   ...
 * }
 * </pre>
 *
 * <p>No cascading checks are performed against the return values of methods unless the method is a
 * static factory method. Neither are semantics of mutation methods such as {@code
 * someList.add(obj)} checked. For more detailed discussion of supported and unsupported cases, see

			if err != nil {
				return nil, err
			}
			ctx = lkctx.Context()
			defer ns.Unlock(lkctx)
			opts.NoLock = true
		}

		obj, err := er.getObjectInfo(ctx, bucket, object, opts)
		if err == nil && opts.CheckPrecondFn(obj) {
			return nil, PreConditionFailed{}
		}
		if err != nil && !isErrVersionNotFound(err) && !isErrObjectNotFound(err) {
			return nil, err
		}

	response, err := s.client.Do(request)
	c.Assert(err, nil)
	c.Assert(response.StatusCode, http.StatusOK)

	for _, objectName := range []string{"foo bar 1", "foo bar 2", "obj2", "obj2/"} {
		buffer := bytes.NewReader([]byte("Hello World"))
		request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objectName),