import { NodePackage, PublishedNodePackage } from './npm-registry';
import { ExtensionPackage, ExtensionPackageOptions } from './extension-package';
export declare class ExtensionPackageCollector {
    protected readonly extensionPackageFactory: (raw: PublishedNodePackage, options?: ExtensionPackageOptions) => ExtensionPackage;
    protected readonly resolveModule: (packagepath: string, modulePath: string) => string;
    protected readonly sorted: ExtensionPackage[];
    protected readonly visited: Set<string>;
    constructor(extensionPackageFactory: (raw: PublishedNodePackage, options?: ExtensionPackageOptions) => ExtensionPackage, resolveModule: (packagepath: string, modulePath: string) => string);
    protected root: NodePackage;
    collect(packagePath: string, pck: NodePackage): ReadonlyArray<ExtensionPackage>;
    protected collectPackages(packagePath: string, pck: NodePackage): void;
    protected parent: ExtensionPackage | undefined;
    protected collectPackagesWithParent(packagePath: string, pck: NodePackage, parent: ExtensionPackage): void;
    protected collectPackage(parentPackagePath: string, name: string, versionRange: string, optional: boolean): void;
}
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