import type { MaybeRef } from './_shared';
import type { Ref } from '@stacksjs/stx';
/**
 * Reactive Base64 encoding.
 *
 * @param source - The value to encode (string, Blob, ArrayBuffer, or canvas)
 */
export declare function useBase64(source: MaybeRef<string | Blob | ArrayBuffer | HTMLCanvasElement>): UseBase64Return;
export declare interface UseBase64Return {
  base64: Ref<string>
  execute: () => Promise<string>
}