namespace Microsoft.Extensions.DependencyModel { internal static class LinqHelpers { public static IEnumerable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TResult, [System.Runtime.CompilerServices.Nullable(2)] TParam1>(IEnumerable<TSource> src, Func<TSource, TParam1, IEnumerable<TResult>> func, TParam1 param1); public static IEnumerable<TResult> SelectMany<[System.Runtime.CompilerServices.Nullable(2)] TSource, [System.Runtime.CompilerServices.Nullable(2)] TResult, [System.Runtime.CompilerServices.Nullable(2)] TParam1, [System.Runtime.CompilerServices.Nullable(2)] TParam2>(IEnumerable<TSource> src, Func<TSource, TParam1, TParam2, IEnumerable<TResult>> func, TParam1 param1, TParam2 param2); } }