import type { FormatCodec } from "../format-codec.js";
/**
 * Options for the Hjson codec.
 */
export interface HjsonCodecOptions {
    readonly indent?: number;
}
/**
 * Creates an Hjson (Human JSON) codec with configurable indentation.
 *
 * Hjson is a JSON superset designed for human editing. It allows:
 * - Comments: `//`, block comments, and `#` hash comments
 * - Unquoted keys and string values
 * - Trailing commas
 * - Multiline strings with `'''`
 *
 * On decode: comments are stripped during parsing.
 * On encode: outputs human-friendly Hjson format (not standard JSON).
 *
 * @param options - Optional configuration for Hjson serialization
 * @param options.indent - Number of spaces for indentation (default: 2)
 * @returns A FormatCodec for Hjson serialization
 *
 * @example
 * ```typescript
 * const codec = hjsonCodec({ indent: 4 })
 * const layer = makeSerializerLayer([codec])
 * ```
 *
 * @see https://hjson.github.io for format specification
 */
export declare const hjsonCodec: (options?: HjsonCodecOptions) => FormatCodec;
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