import { Constructor } from './Constructor';
export interface IInjector {
    /**
     * which object owns this injector.
     *
     * Maybe an object A has the injector refer to this, but A do not own it.
     */
    readonly own: WithInjector;
    /**
     * If you use $new method to create a object A which is provider, A
     */
    parent: IInjector;
    /**
     * Based on this injector, create an object  which may depend providers from this injector.
     * If C is a provider, we create a sub injector, whose parent is the injector.
     */
    $new<T extends object>(C: Constructor<T>, ...args: any[]): T;
    /**
     * get a value from THIS injector in hierarchical.
     */
    get<T>(token: symbol): T;
    /**
     * write an readonly property
     */
    writeProp(o: object, prop: string, value: any): void;
}
export interface WithInjector {
    injector: IInjector;
}