/// <reference types="read-pkg" />
import * as readPkg from 'read-pkg';
import { IEngine } from './engine';
import { IPJSON } from './pjson';
export declare type PlatformTypes = 'darwin' | 'linux' | 'win32' | 'aix' | 'freebsd' | 'openbsd' | 'sunos';
export declare type ArchTypes = 'arm' | 'arm64' | 'mips' | 'mipsel' | 'ppc' | 'ppc64' | 's390' | 's390x' | 'x32' | 'x64' | 'x86';
export interface IConfig {
    _base: string;
    root: string;
    arch: string;
    bin: string;
    cacheDir: string;
    commandsDir: string | undefined;
    configDir: string;
    dataDir: string;
    dirname: string;
    errlog: string;
    home: string;
    hooks: {
        [k: string]: string[];
    };
    name: string;
    pjson: IPJSON;
    platform: string;
    shell: string;
    tsconfig: TSConfig | undefined;
    userAgent: string;
    version: string;
    windows: boolean;
    debug: number;
    engine?: IEngine;
    npmRegistry: string;
}
export interface ICLIConfig extends IConfig {
    engine: IEngine;
}
export interface TSConfig {
    compilerOptions: {
        rootDirs?: string[];
        outDir?: string;
    };
}
export interface ConfigOptions {
    name?: string;
    root?: string;
    baseConfig?: IConfig;
}
export declare class Config {
    /**
     * registers ts-node for reading typescript source (./src) instead of compiled js files (./lib)
     * there are likely issues doing this any the tsconfig.json files are not compatible with others
     */
    readonly _base: string;
    arch: string;
    bin: string;
    cacheDir: string;
    configDir: string;
    dataDir: string;
    dirname: string;
    errlog: string;
    home: string;
    name: string;
    pjson: any;
    platform: string;
    root: string;
    shell: string;
    version: string;
    windows: boolean;
    userAgent: string;
    commandsDir: string | undefined;
    tsconfig: TSConfig | undefined;
    debug: number;
    hooks: {
        [k: string]: string[];
    };
    engine?: IEngine;
    npmRegistry: string;
    constructor();
    load(root: string, pjson: readPkg.Package, baseConfig?: IConfig): Promise<this>;
    scopedEnvVar(k: string): string | undefined;
    scopedEnvVarTrue(k: string): boolean;
    scopedEnvVarKey(k: string): string;
    private dir(category);
    private windowsHome();
    private windowsHomedriveHome();
    private windowsUserprofileHome();
    private macosCacheDir();
    private _tsConfig();
    /**
     * convert a path from the compiled ./lib files to the ./src typescript source
     * this is for developing typescript plugins/CLIs
     * if there is a tsconfig and the original sources exist, it attempts to require ts-
     */
    private _libToSrcPath(orig);
    private _hooks();
    private _shell();
    private _debug();
}
export declare function isIConfig(o: any): o is IConfig;
export declare function read({name, root, baseConfig}?: ConfigOptions): Promise<IConfig>;