export interface DeviceAuthParams {
    cacheKey: string;
    deviceAuthorizationEndpoint: string;
    tokenUrl: string;
    clientId: string;
    clientSecret: string;
    scopes: string[];
    tokenEndpointAuthMethod: 'client_secret_basic' | 'client_secret_post';
}
export interface DeviceAuthResponse {
    status: 'authorization_required';
    method: 'device_code';
    message: string;
    verificationUri: string;
    verificationUriComplete?: string;
    userCode: string;
    expiresInSeconds: number;
    instruction: string;
}
export declare class DeviceCodeFlowManager {
    private readonly pending;
    startDeviceAuth(params: DeviceAuthParams): Promise<DeviceAuthResponse>;
    pollDeviceAuth(cacheKey: string): Promise<{
        status: 'complete';
        token: {
            accessToken: string;
            expiresIn?: number;
        };
    } | {
        status: 'pending';
    }>;
    hasPending(cacheKey: string): boolean;
}