import { GetVersion, Index, Options, SpawnOptions, YarnOptions } from '../types';
export interface NpmScope {
    npmAlwaysAuth?: boolean;
    npmAuthToken?: string;
    npmRegistryServer?: string;
}
/** Reads an auth token from a yarn config, interpolates it, and sets it on the npm config. */
export declare const setNpmAuthToken: (npmConfig: Index<string | boolean>, [dep, scopedConfig]: [string, NpmScope]) => void;
/**
 * Spawn yarn requires a different command on Windows.
 *
 * @param args
 * @param [yarnOptions={}]
 * @param [spawnOptions={}]
 * @returns
 */
declare function spawnYarn(args: string | string[], yarnOptions?: YarnOptions, spawnOptions?: SpawnOptions): Promise<string>;
/**
 * Get platform-specific default prefix to pass on to yarn.
 *
 * @param options
 * @param [options.global]
 * @param [options.prefix]
 * @returns
 */
export declare function defaultPrefix(options: Options): Promise<any>;
/**
 * @param [options]
 * @param [options.cwd]
 * @param [options.global]
 * @param [options.prefix]
 * @returns
 */
export declare const list: (options?: Options, spawnOptions?: SpawnOptions) => Promise<Index<R>>;
/**
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns
 */
export declare const latest: GetVersion;
/**
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns
 */
export declare const newest: GetVersion;
/**
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns
 */
export declare const greatest: GetVersion;
/**
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns
 */
export declare const minor: GetVersion;
/**
 * @param packageName
 * @param currentVersion
 * @param options
 * @returns
 */
export declare const patch: GetVersion;
export default spawnYarn;