docs: public void unregister(String name) {
          HealthCheck healthCheck;
          synchronized (lock) {
              healthCheck = healthChecks.remove(name);
              if (healthCheck instanceof AsyncHealthCheckDecorator) {
                  ((AsyncHealthCheckDecorator) healthCheck).tearDown();
              }
          }
          if (healthCheck != null) {
              onHealthCheckRemoved(name, healthCheck);
          }
      }