// import type { Json } from './exports.js'
// import * as fc from 'fast-check'

// /** @internal */
// const depthIdentifier = fc.createDepthIdentifier()

// /** @internal */
// const identifier = fc.stringMatching(/[_$a-zA-Z][_$a-zA-Z0-9]+/g)

// /** @internal */
// const scalars = [
//   fc.constant(null),
//   fc.constant(undefined),
//   fc.boolean(),
//   fc.integer(),
//   fc.float(),
//   fc.string(),
// ]

// /** @internal */
// const seed: fc.LetrecTypedBuilder<Seed> = (LOOP) => {
//   return {
//     scalar: fc.oneof(...scalars),
//     array: fc.array(LOOP('any')),
//     object: fc.dictionary(identifier, LOOP('any')),
//     any: fc.oneof(
//       { depthIdentifier, maxDepth: 2, depthSize: 'xsmall', withCrossShrink: true },
//       ...scalars,
//       LOOP('scalar'),
//       LOOP('array'),
//       LOOP('object'),
//     )
//   }
// }

// /**
//  * ## {@link Seed `Json.Seed`}
//  * 
//  * This type describes an object whose values are [fast-check](https://github.com/dubzzz/fast-check)
//  * arbitraries that are capable of generating arbitrary, valid JSON values.
//  * 
//  * See also:
//  * - {@link Arbitrary `Json.Arbitrary`}
//  */
// export interface Seed {
//   any: Json
//   scalar: Json.Scalar
//   array: readonly this['any'][]
//   object: Record<string, this['any']>
// }

// /**
//  * ## {@link Arbitrary `Json.Arbitrary`}
//  * 
//  * An object whose values are [fast-check](https://github.com/dubzzz/fast-check)
//  * arbitraries that are capable of generating arbitrary, valid JSON values.
//  * 
//  * See also:
//  * - {@link Seed `Json.Seed`}
//  */
// export const Arbitrary = fc.letrec(seed)