export interface Constructor {
    new (): any;
}
/**
 * Mark a class property as a dependency. When the class is instantiated, the
 * dependency will be injected.
 *
 * If a default dependency is set via `Service.setDefaultDependency`, value
 * provided to that method will be the one injected by default.
 *
 * If a service is initiated using the `init()` method, the dependencies
 * provided to it will override the defaults.
 */
export declare const Inject: (dependency: () => Constructor) => (proto: object, key: string) => void;