netcoreapp3.1 
namespace Microsoft.Extensions.DependencyInjection.Extensions
{
    public static class ServiceCollectionDescriptorExtensions
    {
        public static void TryAddSingleton<TService>(this IServiceCollection collection, TService instance)
            where TService, class;
    }
}
nuget.org
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Reference this API
.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
Information specific to netcoreapp3.1
Assembly

Microsoft.Extensions.DependencyInjection.Abstractions , Version=3.1.0.0, PublicKeyToken=adb9793829ddae60

Referencing

Requires any:

  • Your project needs to use SDK Microsoft.NET.Sdk.Web.

  • Your project needs a framework reference to Microsoft.AspNetCore.App.

  • Your project needs a package reference to Microsoft.Extensions.DependencyInjection.Abstractions.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API