export interface IFlowOAuthAuthorization {
    authUrl: string;
    state: string;
    redirectUri: string;
}
export interface IFlowOAuthTokenResult {
    accessToken: string;
    refreshToken: string;
    expiresAt: number;
    apiKey: string;
    email: string;
    authMethod: 'oauth';
}
export declare function authorizeIFlowOAuth(port: number): Promise<IFlowOAuthAuthorization>;
export declare function exchangeOAuthCode(code: string, redirectUri: string): Promise<IFlowOAuthTokenResult>;
export declare function refreshOAuthToken(refreshToken: string): Promise<IFlowOAuthTokenResult>;
export declare function fetchUserInfo(accessToken: string): Promise<{
    apiKey: string;
    email: string;
}>;