Gck.Slot.prototype.get_mechanism_info
function get_mechanism_info(mech_type: Number(gulong)): Gck.MechanismInfo {
    // Gjs wrapper for gck_slot_get_mechanism_info()
}
  Get information for the specified mechanism.
- mech_type
 The mechanisms type to get info for.
- Returns
 the mechanism information, or NULL if failed; use Gck.MechanismInfo.prototype.free when done with it