import type { FormatCodec } from "../format-codec.js";
/**
 * Options for the JSON5 codec.
 */
export interface Json5CodecOptions {
    readonly indent?: number;
}
/**
 * Creates a JSON5 codec with configurable indentation.
 *
 * JSON5 is a superset of JSON that allows comments, trailing commas,
 * unquoted keys, and other human-friendly syntax on read. On write,
 * output is formatted JSON5.
 *
 * @param options - Optional configuration for JSON5 serialization
 * @param options.indent - Number of spaces for indentation (default: 2)
 * @returns A FormatCodec for JSON5 serialization
 *
 * @example
 * ```typescript
 * const codec = json5Codec({ indent: 4 })
 * const layer = makeSerializerLayer([codec])
 * ```
 */
export declare const json5Codec: (options?: Json5CodecOptions) => FormatCodec;
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