default Collection<ConfigCustomizer> forExtensionType(Class<?> extensionType) {
        return Collections.emptyList();
    }
Creates a collection of {@link ConfigCustomizer} instances for an extension type.

@param extensionType The extension type
@return A {@link Collection} of {@link ConfigCustomizer} objects. Must not be null
core/src/main/java/org/jdbi/v3/core/extension/ConfigCustomizerFactory.java