import { PackageJsonFile } from './package-json-file';
import { Workspace } from './workspace';
export declare class Runnable {
    executable: string;
    args: string[];
    constructor(executable: string, args: string[]);
    get unsafeDisplayCommand(): string;
}
export interface AddCommandOptions {
    packages: string[];
    saveDev?: boolean;
}
export interface PackageManager {
    get name(): string;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): string | undefined;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
    detector(): PackageManagerDetector;
}
export declare abstract class PackageManagerDetector {
    abstract get name(): string;
    abstract detectUserAgent(userAgent: string): boolean;
    abstract detectRuntime(): boolean;
    abstract get representativeLockfiles(): string[];
    abstract get representativeConfigFile(): string | undefined;
    detectLockfile(dir: string): Promise<string>;
    abstract detectConfigFile(dir: string): Promise<string>;
    abstract detectExecutable(lookup: PathLookup): Promise<void>;
    abstract installCommand(): Runnable;
    abstract addCommand(options: AddCommandOptions): Runnable;
    abstract execCommand(args: string[]): Runnable;
    abstract lookupWorkspace(dir: string): Promise<Workspace | undefined>;
    detector(): PackageManagerDetector;
}
export declare class NpmDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): undefined;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
export declare class CNpmDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): undefined;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
export declare class PNpmDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): string;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
export declare class YarnDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): undefined;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
export declare class DenoDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): string;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
export declare class BunDetector extends PackageManagerDetector implements PackageManager {
    get name(): string;
    detectUserAgent(userAgent: string): boolean;
    detectRuntime(): boolean;
    get representativeLockfiles(): string[];
    get representativeConfigFile(): undefined;
    detectConfigFile(dir: string): Promise<string>;
    detectExecutable(lookup: PathLookup): Promise<void>;
    installCommand(): Runnable;
    addCommand(options: AddCommandOptions): Runnable;
    execCommand(args: string[]): Runnable;
    lookupWorkspace(dir: string): Promise<Workspace | undefined>;
}
/**
 * Inspiration taken from https://github.com/otiai10/lookpath.
 */
export declare class PathLookup {
    static win: boolean;
    paths: string[];
    pathext: string[];
    pathextSet: Set<string>;
    constructor();
    detectPresence(executable: string): Promise<void>;
    lookupPath(executable: string): Promise<string | undefined>;
}
export declare const npmPackageManager: NpmDetector;
export declare const knownPackageManagers: PackageManagerDetector[];
export interface DetectOptions {
    detectors?: PackageManagerDetector[];
    root?: string;
    /** Skip npm_config_user_agent detection. Use when the invoking command (e.g. npx) sets a user agent that doesn't match the project's actual package manager. */
    skipUserAgent?: boolean;
}
export declare function detectPackageManager(dir: string, options?: DetectOptions): Promise<PackageManager>;
export interface NearestLockFile {
    packageManager: PackageManager;
    lockfile: string;
}
export declare class NoLockfileFoundError extends Error {
    searchPaths: string[];
    lockfiles: string[];
    constructor(searchPaths: string[], lockfiles: string[], options?: ErrorOptions);
}
export declare function detectNearestLockfile(dir: string, options?: DetectOptions): Promise<NearestLockFile>;
export interface NearestConfigFile {
    packageManager: PackageManager;
    configFile: string;
}
export declare class NoConfigFileFoundError extends Error {
    searchPaths: string[];
    configFiles: string[];
    constructor(searchPaths: string[], configFiles: string[], options?: ErrorOptions);
}
export declare function detectNearestConfigFile(dir: string, options?: DetectOptions): Promise<NearestConfigFile>;
export declare class NoPackageJsonFoundError extends Error {
    searchPaths: string[];
    constructor(searchPaths: string[], options?: ErrorOptions);
}
export interface DetectNearestPackageJsonOptions {
    root?: string;
}
export declare function detectNearestPackageJson(dir: string, options?: DetectNearestPackageJsonOptions): Promise<PackageJsonFile>;
export declare function fauxWorkspaceFromPackageJson(packageManager: PackageManager, packageJsonFile: PackageJsonFile): Promise<Workspace>;