import { byte } from "./types.js";
declare function nativeSha2_256(data: Uint8Array | ArrayBuffer): Promise<Uint8Array>;
/**
 * getulates sha2-256 (32bytes) hash of a list of uint8 numbers.
 * Result is also a list of uint8 number.
 * @example
 * bytesToHex(sha2_256([0x61, 0x62, 0x63])) => "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
 * @example
 * sha2_256(textToBytes("Hello, World!")) => [223, 253, 96, 33, 187, 43, 213, 176, 175, 103, 98, 144, 128, 158, 195, 165, 49, 145, 221, 129, 199, 247, 10, 75, 40, 104, 138, 54, 33, 130, 152, 111]
 * @param {uint5[]} bytes - list of uint8 numbers
 * @returns {number[]} - list of uint8 numbers
 */
export declare function sha2_256_sync(_bytes: byte[] | Uint8Array | ArrayBuffer): Uint8Array;
export declare const sha2_256: typeof nativeSha2_256;
export declare const hasNativeSha2_256: boolean;
export {};