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   1 # mixed pq\Gateway\Cell::offsetGet(int $o)
   2
   3 Implements ArrayAcccess.
   4 Retrieve the value of an array offset.
   5
   6 ## Params:
   7
   8 * int $o
   9   The offset.
  10
  11 ## Returns:
  12
  13 * mixed, the value at the offset.
  14
  15 ## Throws:
  16
  17 * UnexpectedValueException, if the cell's value is not an array.