import { Descriptor, PartialServiceMap, ILifetime } from "../interfaces";
import { ActivationContext } from "../ActivationContext";
import { Resolver } from "./interfaces";
export interface DescriptorImplArgs<S extends object, T> {
    lifetime: ILifetime;
    factory: (resolve: Resolver<S>) => T;
    cleanup?: (item: T) => void;
    overrides?: PartialServiceMap<S>;
}
export declare class DescriptorImpl<S extends object, T> implements Descriptor<S, T> {
    private readonly _overrides?;
    private readonly _lifetime;
    private readonly _factory;
    private readonly _cleanup?;
    constructor(args: DescriptorImplArgs<S, T>);
    activate(context: ActivationContext<S>): T;
    toString(): string;
}