@Override
    protected IConnectorFactory createConnectorFactory(IPluginRegistry pluginRegistry) {
        Class<? extends IConnectorFactory> c = engineConfig.getConnectorFactoryClass(pluginRegistry);
        Map<String, String> config = engineConfig.getConnectorFactoryConfig();
        return create(c, config);
    }
@see io.apiman.gateway.engine.impl.AbstractEngineFactory#createConnectorFactory(io.apiman.gateway.engine.IPluginRegistry)
gateway/engine/core/src/main/java/io/apiman/gateway/engine/impl/ConfigDrivenEngineFactory.java