interface DeviceAuthResponse {
    deviceCode: string;
    userCode: string;
    verificationURI: string;
    interval: number;
}
export interface KeycloakToken {
    accessToken: string;
    refreshToken: string;
    expiresAt: Date;
    refreshExpiresAt: Date;
}
export interface KeycloakTokenResponse {
    access_token: string;
    refresh_token: string;
    expires_in: number;
    refresh_expires_in: number;
}
export type GraphTokenFeature = 'split-config-loading';
export interface GraphToken {
    iss?: string;
    iat?: number;
    federated_graph_id: string;
    organization_id: string;
    features?: GraphTokenFeature[];
}
export interface DecodedAccessToken {
    iss?: string;
    sub?: string;
    aud?: string[] | string;
    exp?: number;
    nbf?: number;
    iat?: number;
    jti?: string;
    groups: string[];
    email: string;
}
export declare const performDeviceAuth: () => Promise<{
    success: boolean;
    response: DeviceAuthResponse;
    errorMessage?: string;
}>;
export declare const startPollingForAccessToken: ({ deviceCode, interval, }: {
    deviceCode: string;
    interval: number;
}) => Promise<{
    success: boolean;
    response?: KeycloakToken;
    errorMessage?: string;
}>;
/**
 * Checks if either of access token or api key are present.
 * If not, it will try to refresh the access token
 *
 * @param [showErrorMessage] - when `false`, any and all error message will be skipped
 */
export declare function checkAuth(showErrorMessage?: boolean): Promise<void>;
/**
 * Perform access token refresh and updates the value for `config.apiKey` accordingly  (if needed);
 * however, if the value for `config.apiKey` remains empty, that means the user is not authenticated or the
 * token refresh failed
 *
 * @returns {boolean} A value indicating whether the client is authenticated
 */
export declare function isAuthenticated(): Promise<boolean>;
export {};