import { InnerToken, ServiceOptions, SecurityToken2, Policy } from "./types";
declare function base64(str: string): string;
declare function CreateTempAKSK(): {
    AccessKeyId: string;
    SecretAccessKey: string;
};
declare function CreateInnerToken(config: ServiceOptions, sts: SecurityToken2, inlinePolicy: Policy | undefined, t: number): InnerToken;
export { CreateInnerToken, CreateTempAKSK, base64 };