@Override
    public int hashCode() {
      int result = 17;
      result = 37 * result + msgId;
      result = 37 * result + console.hashCode();
      return result;
    }
This class provides a way for a {@link CancellationMessage} to find its prey. An
{@link AdminRequest} that implements {@link Cancellable} should register with this class before
doing any work, and deregister just before returning it's response.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/CancellationRegistry.java