declare function commandExists(command: string): boolean; declare function getCommandPath(command: string): string | null; declare function getHelpOutput(command: string, args?: string[]): string; declare function getVersionOutput(command: string, args?: string[]): string; declare const _default: { commandExists: typeof commandExists; getCommandPath: typeof getCommandPath; getHelpOutput: typeof getHelpOutput; getVersionOutput: typeof getVersionOutput; }; export = _default;