@Bean
    public PluginDataHandler keyAuthPluginDataHandler() {
        return new KeyAuthPluginDataHandler();
    }
KeyAuth plugin data handler.

@return KeyAuthPluginDataHandler
shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-key-auth/src/main/java/org/apache/shenyu/springboot/starter/plugin/key/auth/KeyAuthPluginConfiguration.java