/**
 * SCALE codec primitives.
 *
 * Thin wrappers over scale-ts that provide Polkadot-specific conveniences:
 * Hex strings, nullable values, status enums, lazy codecs, and error enums.
 *
 * Previously provided by @novasamatech/scale — inlined here to remove
 * the external dependency.
 */
import type { Codec } from "scale-ts";
import { Enum } from "scale-ts";
export { Enum };
/**
 * Optimized version of `Option(bool)` — encodes as a single u8:
 * 0 = undefined/null, 1 = false, 2 = true.
 */
export declare const OptionBool: Codec<boolean | void>;
export type HexString = `0x${string}`;
/**
 * Assert that a string is a valid hex string (`0x...`).
 */
export declare function toHexString(value: string): HexString;
/**
 * SCALE codec for hex-encoded byte strings (`0x...`).
 */
export declare function Hex(length?: number): Codec<HexString>;
/**
 * Enum without values — maps string labels to u8 indices.
 */
export declare function Status<const T>(...list: T[]): Codec<T>;
/**
 * Deferred codec for recursive types.
 */
export declare function lazy<T>(fn: () => Codec<T>): Codec<T>;
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