import Vue, { ComponentOptions, VueConstructor } from 'vue';
import { ComponentInstance } from './component';
export declare function ensureCurrentVMInFn(hook: string): ComponentInstance;
export declare function createComponentInstance<V extends Vue = Vue>(Ctor: VueConstructor<V>, options?: ComponentOptions<V>): import("vue/types/vue").CombinedVueInstance<V, object, object, object, Record<never, any>>;
export declare function isComponentInstance(obj: any): boolean | null;