Modifies the parameters of a DB parameter group to the engine/system default value. To reset specific parameters submit a list of the following: ParameterName and ApplyMethod. To reset the entire DB parameter group, specify the DBParameterGroup name and ResetAllParameters parameters. When resetting the entire group, dynamic parameters are updated immediately and static parameters are set to pending-reboot to take effect on the next DB instance restart or RebootDBInstance request.
/// DBParameterGroupName does not refer to an existing DB parameter group.
///
/// The DB parameter group cannot be deleted because it is in use.
///