//#region extensions/openai/openai-codex-pkce.runtime.d.ts
/**
 * PKCE utilities using Web Crypto API.
 * Works in both Node.js 20+ and browsers.
 */
/**
 * Generate PKCE code verifier and challenge.
 * Uses Web Crypto API for cross-platform compatibility.
 */
declare function generatePKCE(): Promise<{
  verifier: string;
  challenge: string;
}>;
declare function generateOAuthState(): string;
//#endregion
export { generateOAuthState, generatePKCE };