ant-design-vue/components/_util/antDirective.js

import ref from 'vue-ref';
import { antInput } from './antInputDirective';
import { antDecorator } from './FormDecoratorDirective';

export default {
  install: Vue => {
    Vue.use(ref, { name: 'ant-ref' });
    antInput(Vue);
    antDecorator(Vue);
  },
};