/**
 * Options that can be specified in an `@inject()` decorator.
 */
export interface InjectOptions {
    /**
     * The ID of the service.
     */
    service: string;
    /**
     * Whether or not this is a required dependency. If a required dependency
     * cannot be satisfied, the dependency injection container will throw an
     * error.
     */
    isRequired?: boolean;
}
/**
 * A dependency expressed by an `@inject()` decorator.
 */
export interface Dependency extends InjectOptions {
    /**
     * The property name.
     */
    property: string | symbol;
}
/**
 * A property decorator that declares the property as a service dependency. The
 * injection container will set this property to the appropriate service if it
 * exists.
 *
 * @param options The service ID or an object specifying dependency options.
 */
export declare function inject(options: string | InjectOptions): PropertyDecorator;
/**
 * Gets all dependencies for a given object.
 *
 * @param obj The object to get dependencies for.
 */
export declare function getDependencies(obj: object): Dependency[];