import { type SizeExceedsPaddingSizeErrorType } from '../errors/data.js';
import type { ErrorType } from '../errors/utils.js';
import type { Bytes, Hex } from '../types/data.js';
export type PadOptions = {
    dir?: 'left' | 'right' | undefined;
    size?: number | null | undefined;
};
export type PadReturnType<value extends Bytes | Hex> = value extends Hex ? Hex : Bytes;
export type PadErrorType = PadHexErrorType | PadBytesErrorType | ErrorType;
export declare function pad<value extends Bytes | Hex>(hexOrBytes: value, options?: PadOptions): PadReturnType<value>;
export type PadHexErrorType = SizeExceedsPaddingSizeErrorType | ErrorType;
export declare function padHex(hex_: Hex, options?: PadOptions): `0x${string}`;
export type PadBytesErrorType = SizeExceedsPaddingSizeErrorType | ErrorType;
export declare function padBytes(bytes: Bytes, options?: PadOptions): Uint8Array;
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