import type { Abstraction } from "./Abstraction.js";
import type { Constructor, Dependency } from "./types.js";
export declare const KEYS: {
    ABSTRACTION: string;
    DEPENDENCIES: string;
    IS_DECORATOR: string;
    IS_COMPOSITE: string;
};
export declare class Metadata<T extends Constructor> {
    private readonly target;
    constructor(target: T);
    getAbstraction(): Abstraction<unknown>;
    getDependencies(): Dependency[];
    getAttribute(key: keyof typeof KEYS): any;
    setAbstraction(abstraction: Abstraction<unknown>): void;
    setDependencies(dependencies: Dependency[]): void;
    setAttribute(key: keyof typeof KEYS, value: unknown): void;
}