export declare const VALID_IP: RegExp;
export declare const VALID_DOMAIN: RegExp;
export declare const isMac: boolean;
export declare const isLinux: boolean;
export declare const isWindows: boolean;
export declare const configDir: any;
export declare const configPath: (...pathSegments: string[]) => string;
export declare const domainsDir: string;
export declare const pathForDomain: (domain: string, ...pathSegments: string[]) => string;
export declare const caVersionFile: string;
export declare const opensslSerialFilePath: string;
export declare const opensslDatabaseFilePath: string;
export declare const caSelfSignConfig: string;
export declare function withDomainSigningRequestConfig(domain: string, cb: (filepath: string) => void): void;
export declare function withDomainCertificateConfig(domain: string, cb: (filepath: string) => void): void;
export declare const rootCADir: string;
export declare const rootCAKeyPath: string;
export declare const rootCACertPath: string;
export declare function getLegacyConfigDir(): string;
export declare function ensureConfigDirs(): void;