net461 
namespace System.Collections.Immutable
{
    public static class ImmutableList
    {
        public static int IndexOf<T>(this IImmutableList<T>! list, T item, int startIndex, int count);
    }
}
nuget.org
0.0 %
Reference this API
.NET 5.06.07.08.09.010.0
.NET Core 1.01.12.02.12.23.03.1
.NET Framework 4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard 2.02.1
Information specific to net461
Assemblies

System.Collections.Immutable , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

System.Collections.Immutable , Version=10.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to System.Collections.Immutable.

Package System.Collections.Immutable (9.0.3) netstandard2.0
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API