declare module 'vue' {
    export interface Ref<T> {
        value: T
    }

    export interface ComputedRef<T> {
        readonly value: T
    }

    export function ref<T>(value: T): Ref<T>
    export function computed<T>(getter: () => T): ComputedRef<T>
    export function onMounted(hook: () => void): void
    export function onUnmounted(hook: () => void): void
    export function onServerPrefetch(hook: () => void | Promise<void>): void
}