/**
 * getAccessToken
 * @param params - AK: ApiKey; SK: secretKey
 * @returns access token
 * @see https://cloud.baidu.com/doc/WENXINWORKSHOP/s/Ilkkrb0i5
 */
interface AccessTokenInfo {
    access_token: string;
    expires_in: number;
    error?: string;
    error_description?: string;
}
declare const getAccessToken: (params: {
    AK: string;
    SK: string;
}) => Promise<AccessTokenInfo>;
export { getAccessToken };