code: public <H extends HealthCheck> Metrics healthCheck(final String name, final Class<H> check) {
      bindings.add((binder, routes, conf) -> {
        MapBinder.newMapBinder(binder, String.class, HealthCheck.class)
            .addBinding(name)
            .to(check);
      });
      return this;
    }
docs: Append a health check to the {@link HealthCheckRegistry}. The metric will be resolved by Guice.
  This call is identical to {@link HealthCheckRegistry#register(String, HealthCheck)}.
  
  @param name Name of the check.
  @param check A check object.
  @param <H> {@link HealthCheck} type.
  @return This metrics module.