interface NpmPackageMetadata {
    name: string;
    "dist-tags": {
        latest: string;
    };
    versions: {
        [version: string]: {
            name: string;
            version: string;
            main: string;
            module: string;
            dist: {
                tarball: string;
            };
            dependencies: {
                [dependency: string]: string;
            };
            devDependencies: {
                [devDependency: string]: string;
            };
        };
    };
}
export declare function getNpmPackageMetadata(registryUrl: string, packageName: string, tokenEnvironmentVariable?: string): Promise<NpmPackageMetadata>;
export {};