<PackageReference Include="Newtonsoft.Json" Version="13.0.4" />

Newtonsoft.Json.JsonTextWriter

public class JsonTextWriter : JsonWriter
Represents a writer that provides a fast, non-cached, forward-only way of generating JSON data.
namespace Newtonsoft.Json { public class JsonTextWriter : JsonWriter { public IArrayPool<char> ArrayPool { get; set; } public int Indentation { get; set; } public char QuoteChar { get; set; } public char IndentChar { get; set; } public bool QuoteName { get; set; } public JsonTextWriter(TextWriter textWriter); } }