/**
 * Converts a string, bigint, or ArrayBufferLike to a Uint8Array, with optional zero-padding.
 * @param value - The value to convert
 * @param padLength - Minimum byte length, left-padded with zeros if needed
 * @param base - Numeric base for string parsing (default 16)
 * @returns The resulting Uint8Array, or undefined if value is undefined
 */
export declare function toUint8Array(value: undefined, padLength?: number, base?: number): undefined;
export declare function toUint8Array(value: ArrayBufferLike | bigint | string, padLength?: number, base?: number): Uint8Array;
export declare function toUint8Array(value: ArrayBufferLike | bigint | string | undefined, padLength?: number, base?: number): Uint8Array | undefined;
//# sourceMappingURL=toUint8Array.d.ts.map