import { Logger } from '@servicenow/sdk-project';
import type { Creds } from '../../auth';
type AuthArgs = {
    host: string;
} & ({
    type: 'basic';
    username: string;
    password: string;
} | {
    type: 'oauth';
});
export declare function auth(args: AuthArgs, logger: Logger): Promise<Creds | undefined>;
export declare function getNewAccessTokenIfExpired(creds: {
    instanceUrl: string;
    refresh_token: string;
    expires_at: number;
}, logger: Logger): Promise<Creds | undefined>;
export type { Creds } from '../../auth';