import "reflect-metadata";
import { Injector, LocalInjector, type Resolvable } from './shared.js';
/**
 * A simple dependency injection container that provides basic resolution capabilities.
 * This class extends LocalInjector and manages injectables through a straightforward key-value store.
 */
export declare class SimpleInjector extends LocalInjector {
    /**
     * Creates an instance of SimpleInjector.
     * @param {Injector | null} [parent=null] - The parent injector to fallback to when resolving dependencies.
     */
    constructor(parent?: Injector | null);
    private readonly notifier;
    /**
     * Sets the injectables.
     * @param {{ [key: string]: unknown }} value - The injectables to set.
     */
    setInjectables(value: {
        [key: string]: unknown;
    }): void;
    /**
     * Returns the keys of the injectables.
     * @returns {string[]} The keys of the injectables.
     */
    keys(): string[];
    /**
     * Merges another SimpleInjector into this one.
     * @param {SimpleInjector} i - The SimpleInjector to merge.
     */
    merge(i: SimpleInjector): void;
    /**
     * Notifies listeners of a change.
     * @param {string} name - The name of the property that changed.
     * @param {PropertyDescriptor} [value] - The new value of the property.
     */
    protected notify(name: string, value?: PropertyDescriptor): void;
    /**
     * Registers a handler to be called when a value is resolved.
     * @param {string} name - The name of the value to resolve.
     * @returns {PromiseLike<T>} A promise that resolves to the value.
     */
    onResolve<T = unknown>(name: string): PromiseLike<T>;
    /**
     * Registers a handler to be called when a value is resolved.
     * @param {string} name - The name of the value to resolve.
     * @param {(value: T) => void} handler - The handler to call when the value is resolved.
     */
    onResolve<T = unknown>(name: string, handler: (value: T) => void): void;
    private resolveKeys;
    /**
     * Resolves a value.
     * @param {Resolvable} param - The parameter to resolve.
     * @returns {T} The resolved value.
     */
    resolve<T>(param: Resolvable): T;
    private inspecting;
    /**
     * Inspects the injectables.
     */
    inspect(): void;
    private browsingForJSON;
    /**
     * Converts the injectables to JSON.
     * @returns {object} The injectables as JSON.
     */
    toJSON(): {};
    protected injectables: {};
    /**
     * Unregisters an injectable.
     * @param {string} name - The name of the injectable to unregister.
     */
    unregister(name: string): void;
    /**
     * Registers a descriptor for an injectable.
     * @param {string | symbol} name - The name of the injectable.
     * @param {PropertyDescriptor} value - The descriptor of the injectable.
     * @param {boolean} [override] - Whether to override an existing injectable.
     */
    registerDescriptor(name: string | symbol, value: PropertyDescriptor, override?: boolean): void;
}
export declare const defaultInjector: SimpleInjector;