anchor.diff:          abstract member Deserialize<'T>      : byte[] -> 'T
           abstract member DeserializeAsync<'T> : Stream -> Task<'T>
   
  -    /// **Description**
  -    ///
  -    /// `Utf8JsonSerializer` is an alternative serializer with 
  +    /// <summary>
  +    /// <see cref="Utf8JsonSerializer" /> is an alternative serializer with 
       /// great performance and supports true chunked transfer encoding.
       ///
  -    /// It uses `Utf8Json` as the underlying JSON serializer to (de-)serialize
  -    /// JSON content. [Utf8Json](https://github.com/neuecc/Utf8Json) is currently
  +    /// It uses Utf8Json as the underlying JSON serializer to (de-)serialize
  +    /// JSON content. Utf8Json is currently
       /// the fastest JSON serializer for .NET.
  -    ///
  +    /// </summary>
  +    /// <remarks>https://github.com/neuecc/Utf8Json</remarks>
       type Utf8JsonSerializer (resolver : IJsonFormatterResolver) =
   
           static member DefaultResolver = Utf8Json.Resolvers.StandardResolver.CamelCase
  
positive.code: 
      open System.Text.Json
  
      /// **Description**
      ///
      /// `SystemTextJsonSerializer` is an alternaive `IJsonSerializer` in Giraffe.
      ///
      /// It uses `System.Text.Json` as the underlying JSON serializer to (de-)serialize
      /// JSON content. For support of F# unions and records, look at https://github.com/Tarmil/FSharp.SystemTextJson
      /// which plugs into this serializer.
      ///
      type SystemTextJsonSerializer (options: JsonSerializerOptions) =
  
          static member DefaultOptions =
  
negative.code:     open System.Xml
      open System.Xml.Serialization
  
      /// <summary>
      /// Interface defining XML serialization methods. Use this interface to customize XML serialization in Giraffe.
      /// </summary>
      [<AllowNullLiteral>]
      type IXmlSerializer =
          abstract member Serialize       : obj    -> byte array
          abstract member Deserialize<'T> : string -> 'T
  
      /// <summary>
      /// Default XML serializer in Giraffe.
      ///
      /// Serializes objects to UTF8 encoded indented XML code.
      /// </summary>
      type DefaultXmlSerializer (settings : XmlWriterSettings) =
          static member DefaultSettings =
              XmlWriterSettings(
  