import Kdu from 'kdu'
import type { PluginFunction, PluginObject, KduConstructor, Directive, InjectionKey, Component } from 'kdu'

declare const isKdu2: boolean
declare const isKdu3: boolean
declare const Kdu2: typeof Kdu | undefined
declare const version: string
declare const install: (kdu?: typeof Kdu) => void
export declare function warn(msg: string, vm?: Component | null): void
/**
 * @deprecated To avoid bringing in all the tree-shakable modules, this API has been deprecated. Use `Kdu2` or named exports instead.
 */
declare const V: typeof Kdu

// accept no generic because Kdu 3 doesn't accept any
export declare type Plugin = PluginObject<any> | PluginFunction<any>
export type { KNode } from 'kdu'
export * from 'kdu'
export { V as Kdu, Kdu2, isKdu2, isKdu3, version, install }

// #region createApp polyfill
export interface App<T = any> {
  config: KduConstructor['config']
  use: KduConstructor['use']
  mixin: KduConstructor['mixin']
  component: KduConstructor['component']
  directive(name: string): Directive | undefined
  directive(name: string, directive: Directive): this
  provide<T>(key: InjectionKey<T> | string, value: T): this
  mount: Kdu['$mount']
  unmount: Kdu['$destroy']
}
export declare function createApp(rootComponent: any, rootProps?: any): App
// #endregion