// Returns whether `device_name` is registered as a custom device.
  virtual bool IsCustomDevice(const string& device_name) = 0;

  // Register a custom device. It will return error is the device name is
  // already registered.
  // TODO(tfrt-devs): Remove this method. Let caller register it directly into
  // CustomDeviceOpHandler.
  virtual absl::Status RegisterCustomDevice(

    // Due to current generics limitations, a constructor of the empty type must be provided.
    instance := grid.NewSingleHandler[*grid.MSS, *grid.MSS](h, grid.NewMSS, grid.NewMSS)

    // Register the handler on the manager
    instance.Register(manager, handler)

    // The typed instance is also used for calls
    conn := manager.Connection("host")

        }
    }
    
    public WitnessRegisterResponse register(WitnessRegisterRequest request) throws IOException {
        try {
            WitnessRegisterStub stub = new WitnessRegisterStub(request);
            handle.sendrecv(stub);
            return stub.getResponse();
        } catch (Exception e) {
            throw new IOException("Witness register RPC failed", e);
        }
    }
    

 * parameter, the object containing the method will not be able to register for event delivery from
 * the {@link EventBus}.
 *
 * <p>Unless also annotated with @{@link AllowConcurrentEvents}, event subscriber methods will be
 * invoked serially by each event bus that they are registered with.
 *
 * @author Cliff Biffle
 * @since 10.0
 */
@Retention(RetentionPolicy.RUNTIME)

            processor.setSearcher(new TestSearcher(100));
            final TestSearcher searcher = new TestSearcher(50);
            processor.register(searcher);
            processor.register(searcher); // Register same instance again
            processor.init();

            // Should still work without errors

                consumeArchive project(path: ':producer-tar', configuration:'default' )
            }

            tasks.register("copyDir", Copy) {
                from(configurations.consumeDir)
                into('build/dir')
            }

            tasks.register("copyArchive", Copy) {
                from(configurations.consumeArchive)
                into('build/archives')
            }
        }

  In Linux containers, this means setting the FQDN in the hostname field of the 
  kernel (the nodename field of struct utsname).  In Windows containers, this
  means setting the this means setting the registry value of hostname for the registry key HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters to FQDN. 

		collectors[mg.CollectorPath] = mg
	}

	// Helper function to register a collector and return a gatherer for it.
	mustRegister := func(c ...prometheus.Collector) prometheus.Gatherer {
		subRegistry := prometheus.NewRegistry()
		for _, col := range c {
			subRegistry.MustRegister(col)
		}
		r.MustRegister(subRegistry)
		return subRegistry
	}

	// Register all collectors and create gatherers for them.

        // Register mock components before creating SuggestJob
        ComponentUtil.register(mockServletContext, "servletContext");
        ComponentUtil.register(mockServletContext, ServletContext.class.getCanonicalName());
        ComponentUtil.register(mockProcessHelper, "processHelper");
        ComponentUtil.setFessConfig(mockFessConfig);
        ComponentUtil.register(mockSystemHelper, "systemHelper");

	histCounts metrics.Histogram
	histBytes  metrics.Histogram
}

func newInQueueStats(r metrics.Registry, lbl string) InQueueStats {
	histCounts := metrics.NewHistogram(metrics.NewUniformSample(100))
	histBytes := metrics.NewHistogram(metrics.NewUniformSample(100))

	r.Register("replication.queue.counts."+lbl, histCounts)
	r.Register("replication.queue.bytes."+lbl, histBytes)

	return InQueueStats{
		histCounts: histCounts,