/**
 * OpenAI Codex (ChatGPT) OAuth.
 *
 * Mirrors the parameters stock senpi uses for its `openai-codex` provider, so
 * the tokens minted here are the same ones stock would mint. senpi does not
 * export its Codex OAuth flow to extensions (only the Anthropic one), hence
 * this local implementation.
 */
export declare const CODEX_CLIENT_ID = "app_EMoamEEZ73f0CkXaXp7hrann";
export interface CodexTokens {
    access: string;
    refresh: string;
    /** Epoch millis. */
    expires: number;
    /** ChatGPT account id embedded in the access token. */
    accountId?: string;
    email?: string;
}
export interface CodexLoginCallbacks {
    onAuth(info: {
        url: string;
        instructions?: string;
    }): void;
    onProgress?(message: string): void;
    onPrompt(prompt: {
        message: string;
        placeholder?: string;
    }): Promise<string>;
    signal?: AbortSignal;
}
export declare class CodexAuthError extends Error {
    readonly permanent: boolean;
    readonly status?: number;
    constructor(message: string, options?: {
        permanent?: boolean;
        status?: number;
    });
}
export declare function accountIdFromToken(access: string): string | undefined;
export declare function emailFromToken(access: string): string | undefined;
export declare function loginCodex(callbacks: CodexLoginCallbacks): Promise<CodexTokens>;
export declare function refreshCodex(tokens: CodexTokens): Promise<CodexTokens>;