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how can i replace Any for All method and vice versa linq in c#

var results = from e in employees
              group e by e.Department into d
              select new { Department = d.Key,
              Size = d.Count() };

how can i replace Any for All method and vice versa linq in c#

var results = employees.GroupBy(e => e.Department).
    Select(d => new { Department = d.Key, Size = d.Count()});