/**
 * Converts a Blob to a Uint8Array.
 *
 * First tries the modern `blob.arrayBuffer()` API. If that is not available
 * (older browsers), falls back to using FileReader.
 *
 * @param blob - The Blob to convert
 * @returns A Promise resolving to the Uint8Array representation of the Blob
 */
export declare function convertBlobToUint8Array(blob: Blob): Promise<Uint8Array>;