System.Linq.CachedReflectionInfo.Count_TSource_2 C# (CSharp) Method

        public static MethodInfo Count_TSource_2(Type TSource) =>
             (s_Count_TSource_2 ??
             (s_Count_TSource_2 = new Func<IQueryable<object>, Expression<Func<object, bool>>, int>(Queryable.Count).GetMethodInfo().GetGenericMethodDefinition()))
              .MakeGenericMethod(TSource);