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   1 # array pq\Statement::descAsync()
   2
   3 [Asynchronously](pq/Connection/: Asynchronous Usage) describe the parameters of the prepared statement.
   4
   5 ## Params:
   6
   7 None.
   8
   9 ## Returns:
  10
  11 * array, list of type OIDs of the substitution parameters.
  12
  13 ## Throws:
  14
  15 * pq\Exception\InvalidArgumentException
  16 * pq\Exception\BadMethodCallException
  17 * pq\Exception\RuntimeException