<PackageReference Include="System.Reactive" Version="6.0.0-preview.16" />
IConcatenatable<TSource>
using System.
Collections.
Generic;
using System.
Runtime.
CompilerServices;
namespace System.
Reactive
{
[
System.
Runtime.
CompilerServices.
NullableContext(
1)]
internal interface IConcatenatable<[
System.
Runtime.
CompilerServices.
Nullable(
2)]
out TSource>
{
IEnumerable<
IObservable<
TSource>>
GetSources();
}
}