import { BytesLike } from "../bytes/index.js";
/**
 * Represents a hexadecimal string prefixed with "0x".
 * @public
 */
export type Hex = `0x${string}`;
/**
 * Represents a value that can be converted to a hexadecimal string.
 * It extends the BytesLike type.
 * @public
 */
export type HexLike = BytesLike;
/**
 * Converts a HexLike value to a Hex string.
 * @public
 *
 * @param hex - The value to convert, which can be a string, Uint8Array, ArrayBuffer, or number array.
 * @returns A Hex string representing the value.
 *
 * @example
 * ```typescript
 * const hexString = hexFrom("68656c6c6f"); // Outputs "0x68656c6c6f"
 * const hexStringFromBytes = hexFrom(new Uint8Array([104, 101, 108, 108, 111])); // Outputs "0x68656c6c6f"
 * ```
 */
export declare function hexFrom(hex: HexLike): Hex;
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