export interface OpenAICredentials {
    accessToken: string;
    refreshToken: string;
    idToken: string;
    accountId: string;
    expiresAt: number;
    importedFrom?: string;
}
export declare class OpenAIAuth {
    private creds;
    private storePath;
    load(): Promise<boolean>;
    /**
     * OAuth flow completo desde sq (igual que `codex login`, sin Codex CLI instalado).
     * Devuelve un JWT que vale para WebSocket a chatgpt.com/backend-api/codex/responses.
     */
    login(): Promise<void>;
    private extractAccountIdFromJWT;
    reimport(): Promise<boolean>;
    private extractExpFromJWT;
    ensureValid(): Promise<string>;
    /** ms hasta que expira el token actual (negativo si ya expiró). null si no hay creds. */
    msUntilExpiry(): number | null;
    getHeaders(): Promise<Record<string, string>>;
    getAccountId(): string | null;
    isAuthenticated(): boolean;
    getInfo(): {
        expiresAt?: number;
        importedFrom?: string;
    } | null;
    private persist;
}
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