/**
 * Copyright 2018-present Palantir Technologies, Inc. All rights reserved.
 * Licensed under the BSD-3 License as modified (the “License”); you may obtain
 * a copy of the license in the LICENSE and PATENTS files in the root of this
 * repository.
 */
import { ICompiler, IFile, INpmPluginData, IPlugin } from "../client";
export interface INpmPluginOptions {
    /** Whether to exclude packages marked `private`. */
    excludePrivate?: boolean;
    /** Array of patterns to exclude packages by `name`. */
    excludeNames?: Array<string | RegExp>;
}
/**
 * The `NpmPlugin` parses `package.json` files and emits data about each NPM
 * package. It uses `npm info` to look up data about published packages, and
 * falls back to `package.json` info if the package is private or unpublished.
 */
export declare class NpmPlugin implements IPlugin<INpmPluginData> {
    private options;
    constructor(options?: INpmPluginOptions);
    compile(packageJsons: IFile[], dm: ICompiler): Promise<INpmPluginData>;
    private parseNpmInfo;
    private getNpmInfo;
}