panic("decompressor already registered")
	}
}

// RegisterCompressor registers custom compressors for a specified method ID.
// The common methods [Store] and [Deflate] are built in.
func RegisterCompressor(method uint16, comp Compressor) {
	if _, dup := compressors.LoadOrStore(method, comp); dup {
		panic("compressor already registered")
	}
}

func compressor(method uint16) Compressor {

    registry.unregister(s1);

    assertThrows(IllegalArgumentException.class, () -> registry.unregister(s1));
  }

  public void testGetSubscribers() {
    assertEquals(0, Iterators.size(registry.getSubscribers("")));

    registry.register(new StringSubscriber());
    assertEquals(1, Iterators.size(registry.getSubscribers("")));

    registry.register(new StringSubscriber());

     * For other types of values, they are registered directly.
     *
     * @param data the RenderData object to register the value in
     * @param key the key to associate with the value
     * @param value the value to register; can be null, Entity, Collection, or any other object
     */
    public static void register(final RenderData data, final String key, final Object value) {
        if (value == null) {

        assertEquals("processed: template with params", result);
    }

    // Test register with null factory throws exception
    public void test_register_nullFactory() {
        ComponentUtil.register(null, "scriptEngineFactory");

        try {
            testScriptEngine.register();
            fail("Should throw exception when factory is null");
        } catch (NullPointerException e) {

        RenderDataUtil.register(data, "int", 123);
        assertEquals(123, data.getDataMap().get("int"));

        RenderDataUtil.register(data, "long", 456L);
        assertEquals(456L, data.getDataMap().get("long"));

        RenderDataUtil.register(data, "boolean", true);
        assertEquals(true, data.getDataMap().get("boolean"));

        RenderDataUtil.register(data, "double", 3.14);

func TestCallbacksRemove(t *testing.T) {
	db, _ := gorm.Open(nil, nil)
	createCallback := db.Callback().Create()

	createCallback.Before("*").Register("c1", c1)
	createCallback.After("*").Register("c2", c2)
	createCallback.Before("c4").Register("c3", c3)
	createCallback.After("c2").Register("c4", c4)

	// callbacks: []string{"c1", "c3", "c4", "c2"}
	createCallback.Remove("c1")

	createCallback.Match(enableTransaction).Register("gorm:begin_transaction", BeginTransaction)
	createCallback.Register("gorm:before_create", BeforeCreate)
	createCallback.Register("gorm:save_before_associations", SaveBeforeAssociations(true))
	createCallback.Register("gorm:create", Create(config))
	createCallback.Register("gorm:save_after_associations", SaveAfterAssociations(true))
	createCallback.Register("gorm:after_create", AfterCreate)

    /**
     * Registers a client component with a regular expression.
     * The component will be loaded into all registered CrawlerClientFactories.
     * @param regex The regular expression to match URLs.
     * @param componentName The name of the component to register.
     */
    public synchronized void register(final String regex, final String componentName) {
        clientMap.put(regex, componentName);

                // Return a fixed count for testing
                return 3L;
            }
        };
        ComponentUtil.register(mockSearchEngineClient, "searchEngineClient");

        // Mock FessConfig
        FessConfig mockFessConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

		<postConstruct name="register"></postConstruct>
	</component>
	<component name="boostQueryCommand"
		class="org.codelibs.fess.query.BoostQueryCommand">
		<postConstruct name="register"></postConstruct>
	</component>
	<component name="fuzzyQueryCommand"
		class="org.codelibs.fess.query.FuzzyQueryCommand">
		<postConstruct name="register"></postConstruct>
	</component>