import { ActivationContext } from "./ActivationContext";
import { Descriptor, PartialServiceMap, TypeOfService, ContainerKeys } from "./interfaces";
export interface ReferenceDescriptorParams<S extends object, K extends ContainerKeys<S>> {
    name: K;
    optional?: boolean;
    default?: TypeOfService<S, K>;
    services?: PartialServiceMap<S>;
}
export declare class LazyReferenceDescriptor<S extends object = any, K extends ContainerKeys<S> = ContainerKeys<S>> implements Descriptor<S, ((args?: PartialServiceMap<S>) => TypeOfService<S, K>)> {
    _name: K;
    _optional: boolean;
    _default: TypeOfService<S, K> | undefined;
    _services: PartialServiceMap<S>;
    constructor(opts: ReferenceDescriptorParams<S, K>);
    activate(context: ActivationContext<S>): (cfg?: PartialServiceMap<S> | undefined) => any;
    toString(): string;
}