source: binary-improvements2/7dtd-server-fixes/src/JSON/JSONArray.cs@ 393

using System.Collections.Generic;
using System.Text;

namespace AllocsFixes.JSON {
        public class JsonArray : JsonNode {
                private readonly List<JsonNode> nodes = new List<JsonNode> ();

                public JsonNode this [int _index] {
                        get => nodes [_index];
                        set => nodes [_index] = value;
                }

                public int Count => nodes.Count;

                public void Add (JsonNode _node) {
                        nodes.Add (_node);
                }

                public override void ToString (StringBuilder _stringBuilder, bool _prettyPrint = false, int _currentLevel = 0) {
                        _stringBuilder.Append ("[");
                        if (_prettyPrint) {
                                _stringBuilder.Append ('\n');
                        }

                        foreach (JsonNode n in nodes) {
                                if (_prettyPrint) {
                                        _stringBuilder.Append (new string ('\t', _currentLevel + 1));
                                }

                                n.ToString (_stringBuilder, _prettyPrint, _currentLevel + 1);
                                _stringBuilder.Append (",");
                                if (_prettyPrint) {
                                        _stringBuilder.Append ('\n');
                                }
                        }

                        if (nodes.Count > 0) {
                                _stringBuilder.Remove (_stringBuilder.Length - (_prettyPrint ? 2 : 1), 1);
                        }

                        if (_prettyPrint) {
                                _stringBuilder.Append (new string ('\t', _currentLevel));
                        }

                        _stringBuilder.Append ("]");
                }

                public static JsonArray Parse (string _json, ref int _offset) {
                        //Log.Out ("ParseArray enter (" + offset + ")");
                        JsonArray arr = new JsonArray ();

                        bool nextElemAllowed = true;
                        _offset++;
                        while (true) {
                                Parser.SkipWhitespace (_json, ref _offset);

                                switch (_json [_offset]) {
                                        case ',':
                                                if (!nextElemAllowed) {
                                                        nextElemAllowed = true;
                                                        _offset++;
                                                } else {
                                                        throw new MalformedJsonException (
                                                                "Could not parse array, found a comma without a value first");
                                                }

                                                break;
                                        case ']':
                                                _offset++;

                                                //Log.Out ("JSON:Parsed Array: " + arr.ToString ());
                                                return arr;
                                        default:
                                                arr.Add (Parser.ParseInternal (_json, ref _offset));
                                                nextElemAllowed = false;
                                                break;
                                }
                        }
                }
        }
}