/**
 * Bytes Primitive.
 */
export declare class Bytes {
    readonly bytes: Uint8Array;
    /**
     * Instantiate Bytes from a Uint8Array.
     *
     * @param bytes {Uint8Array} The bytes to use.
     */
    constructor(bytes: Uint8Array);
    /**
     * Instantiates bytes from an Uint8Array.
     *
     * @param bytes The bytes as a Uint8Array.
     *
     * @throws {Error} If Base64 is invalid.
     *
     * @returns Instance of Bytes.
     */
    static fromBytes(bytes: Uint8Array): Bytes;
    /**
     * Instantiates bytes from a Base64 string.
     *
     * @param base64 The Base64 string.
     *
     * @throws {Error} If Base64 is invalid.
     *
     * @returns Instance of Bytes.
     */
    static fromBase64(base64: string): Bytes;
    /**
     * Instantiates bytes from a BigInt (LE encoded).
     *
     * @param number The bigint number.
     *
     * @throws {Error} If number is invalid.
     *
     * @returns Instance of Bytes.
     */
    static fromBigInt(number: bigint): Bytes;
    /**
     * Instantiates bytes from a BigInt (64 Bit LE encoded).
     *
     * @param number The bigint number.
     *
     * @throws {Error} If number is invalid.
     *
     * @returns Instance of Bytes.
     */
    static fromBigInt64(number: bigint): Bytes;
    /**
     * Instantiates bytes from a hex string.
     *
     * @param hex The hex string.
     *
     * @throws {Error} If hex is invalid.
     *
     * @returns Instance of Bytes.
     */
    static fromHex(hex: string): Bytes;
    /**
     * Instantiates bytes from a UTF8 string.
     *
     * @param utf8 The UTF8 string.
     *
     * @returns Instance of Bytes.
     */
    static fromUtf8(utf8: string): Bytes;
    /**
     * Return bytes as a Base64 string.
     *
     * @returns Bytes as a Base64 string.
     */
    toBase64(): string;
    toBigInt(): bigint;
    /**
     * Return bytes as a hex string.
     *
     * @returns Bytes as a hex string.
     */
    toHex(): string;
    /**
     * Return bytes as a UTF8 string
     *
     * @returns Bytes as a UTF8 string.
     */
    toUtf8(): string;
    /**
     * Return bytes as a Uint8Array
     *
     * @returns Bytes as a Uint8Array.
     */
    toBytes(): Uint8Array;
}