public void Return <T>(IEnumerable <T[]> items)
 => Array1ConcurrentPool <T> .Return(items);
 public void Return <T>(T[] item)
 => Array1ConcurrentPool <T> .Return(item);
 public void Return <T>(params T[][] items)
 => Array1ConcurrentPool <T> .Return(items);
 public T[] Array1 <T>(int size)
 => Array1ConcurrentPool <T> .Get(size);