<PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.0-preview.2.25163.2" />

StreamConfigurationSource

Defines the core behavior of stream-based configuration sources and provides a base for derived classes.
using System.Diagnostics.CodeAnalysis; using System.IO; using System.Runtime.CompilerServices; namespace Microsoft.Extensions.Configuration { [NullableContext(2)] [Nullable(0)] public abstract class StreamConfigurationSource : IConfigurationSource { public Stream Stream { get; [param: DisallowNull] set; } [NullableContext(1)] public abstract IConfigurationProvider Build(IConfigurationBuilder builder); } }