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// Ported from js-yaml v3.13.1:// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import { Type } from "../type.ts";
function resolveYamlNull(data: string): boolean {  const max = data.length;
  return (    (max === 1 && data === "~") ||    (max === 4 && (data === "null" || data === "Null" || data === "NULL"))  );}
function constructYamlNull(): null {  return null;}
function isNull(object: unknown): object is null {  return object === null;}
export const nil = new Type("tag:yaml.org,2002:null", {  construct: constructYamlNull,  defaultStyle: "lowercase",  kind: "scalar",  predicate: isNull,  represent: {    canonical(): string {      return "~";    },    lowercase(): string {      return "null";    },    uppercase(): string {      return "NULL";    },    camelcase(): string {      return "Null";    },  },  resolve: resolveYamlNull,});