import { Word } from "../../shell/Word.js";
import type { Request, Warnings } from "../../parse.js";
export declare const supportedArgs: Set<string>;
export declare function reprBacktick(s: Word | string): string;
export declare function reprStr(s: string): string;
export declare function repr(w: Word): string;
export declare function toNumeric(w: Word): string;
export declare function _toR(requests: Request[], warnings?: Warnings): string;
export declare function toRWarn(curlCommand: string | string[], warnings?: Warnings): [string, Warnings];
export declare function toR(curlCommand: string | string[]): string;