vue/types/test/plugin-test.ts

import Vue from '../index'
import { PluginFunction, PluginObject } from '../index'

class Option {
  prefix: string = ''
  suffix: string = ''
}

const plugin: PluginObject<Option> = {
  install(Vue, option) {
    if (typeof option !== 'undefined') {
      const { prefix, suffix } = option
    }
  }
}
const installer: PluginFunction<Option> = function (Vue, option) {}

Vue.use(plugin, new Option())
Vue.use(installer, new Option())
Vue.use(installer, new Option(), new Option(), new Option())