import { SourceData } from "@smithy/types";
export declare class MockSha256 {
  constructor(secret?: string | ArrayBuffer | ArrayBufferView);
  update(data?: SourceData): void;
  digest(): Promise<Uint8Array<ArrayBuffer>>;
}
export declare const region: () => Promise<string>;
export declare const credentials: () => Promise<{
  accessKeyId: string;
  secretAccessKey: string;
  sessionToken: string;
}>;
