import { AddOptions, InstallOptions, PruneOptions, Packager } from './packager-protocol';
export declare class NPM implements Packager {
    get lockfileName(): string;
    get copyPackageSectionNames(): never[];
    get mustCopyModules(): boolean;
    getProdDependencies(depth: number, cwd?: string): Promise<any>;
    readLockfile(lockfilePath: string): Promise<any>;
    writeLockfile(lockfilePath: string, content: any): Promise<void>;
    _rebaseFileReferences(pathToPackageRoot: string, moduleVersion: string): string;
    /**
     * We should not be modifying 'package-lock.json'
     * because this file should be treated as internal to npm.
     *
     * Rebase package-lock is a temporary workaround and must be
     * removed as soon as https://github.com/npm/npm/issues/19183 gets fixed.
     */
    rebaseLockfile(pathToPackageRoot: string, lockfile: any): any;
    install(opts?: InstallOptions, cwd?: string): Promise<any>;
    add(packages: string[], opts?: AddOptions, cwd?: string): Promise<any>;
    prune(opts?: PruneOptions, cwd?: string): Promise<any>;
    runScripts(scriptNames: string[], cwd?: string): Promise<any[]>;
}
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