import { IPackageFileDescriptorOptions } from "./IPackageFileDescriptorOptions.js";
import { PackageFileDescriptor } from "./PackageFileDescriptor.js";
/**
 * Provides an abstraction of an optional package.
 */
export declare class OptionalPackageDescriptor extends PackageFileDescriptor {
    /**
     * Initializes a new instance of the {@link OptionalPackageDescriptor `OptionalPackageDescriptor`} class.
     *
     * @param options
     * The options of the file-descriptor.
     */
    constructor(options: Required<IPackageFileDescriptorOptions>);
}