quasar/dist/types/vue.d.ts

Build high-performance VueJS user interfaces (SPA, PWA, SSR, Mobile and Desktop) in record time

import Vue, { ComponentOptions } from 'vue'

declare module 'vue/types/options' {
  interface ComponentOptions<V extends Vue> {
    preFetch?: (options: any) => void | Promise<void>,
    meta?:  object | ((this: V) => object)
  }
}