.NET API Catalog

net5.0
    namespace System.Text.Json.Serialization
{
    public interface IJsonOnDeserializing
    {
        void OnDeserializing();
    }
}

Information specific to `net5.0`
Design Reviews	dotnet/runtime#54528 4 years ago (Approved)
.NET	5.06.07.08.09.010.0
.NET Core	2.02.12.23.03.1
.NET Framework	4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard	2.02.1
Assemblies	System.Text.Json , Version=10.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51 System.Text.Json , Version=9.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51
Referencing	Your project needs a package reference to `System.Text.Json`.
Package	System.Text.Json (10.0.0-preview.1.25080.5) netstandard2.0
Platform Restrictions	This API is supported on all platforms.