/** Result returned by one OAuth device-code polling attempt. */
export type OAuthDeviceCodePollResult<T> = {
    status: "complete";
    value: T;
} | {
    status: "pending";
} | {
    status: "slow_down";
} | {
    status: "failed";
    message: string;
};
/** Options for polling an RFC 8628-style OAuth device-code flow. */
export interface OAuthDeviceCodeFlowOptions<T> {
    /** Poll the provider once and classify the response. */
    poll(): OAuthDeviceCodePollResult<T> | Promise<OAuthDeviceCodePollResult<T>>;
    /** Provider-requested polling cadence; defaults to RFC 8628's five seconds. */
    intervalSeconds?: number;
    /** Provider-issued expiry window for the device code. */
    expiresInSeconds?: number;
    /** Cancels the flow with the legacy "Login cancelled" error. */
    signal?: AbortSignal;
}
/** Poll an OAuth device-code flow until completion, provider failure, timeout, or cancellation. */
export declare function pollOAuthDeviceCodeFlow<T>(options: OAuthDeviceCodeFlowOptions<T>): Promise<T>;