code: def enableConcurrencyChecks(maxConcurrency, raiseException=True):
    
    global g_max_concurrency, g_max_concurrency_raise_exception
  
    assert maxConcurrency >= 0
  
    g_max_concurrency = maxConcurrency
    g_max_concurrency_raise_exception = raiseException
    return
docs: Enable the diagnostic feature for debugging unexpected concurrency in
    acquiring ConnectionWrapper instances.
  
    NOTE: This MUST be done early in your application's execution, BEFORE any
    accesses to ConnectionFactory or connection policies from your application
    (including imports and sub-imports of your app).
  
    Parameters:
    ----------------------------------------------------------------
    maxConcurrency:   A non-negative integer that represents the maximum expected
                        number of outstanding connections.  When this value is
                        exceeded, useful information will be logged and, depending
                        on the value of the raiseException arg,
                        ConcurrencyExceededError may be raised.
    raiseException:   If true, ConcurrencyExceededError will be raised when
                        maxConcurrency is exceeded.