/**
 * From `unjs/unstorage` implementation
 * https://github.com/unjs/unstorage/blob/6163be0eb5035b54f3a576086e7b41a48efa3607/src/_utils.ts
 */
export declare const BASE64_PREFIX = "base64:";
export declare function checkBufferSupport(): void;
export declare function serializeRaw(value: any): string;
export declare function deserializeRaw(value: any): Buffer | string;