System.Linq.CachedReflectionInfo.Contains_TSource_2 C# (CSharp) Method

        public static MethodInfo Contains_TSource_2(Type TSource) =>
             (s_Contains_TSource_2 ??
             (s_Contains_TSource_2 = new Func<IQueryable<object>, object, bool>(Queryable.Contains).GetMethodInfo().GetGenericMethodDefinition()))
              .MakeGenericMethod(TSource);