/// @param controllerAddress Address of the llamalend market controller
/// @param controllerId id that matches controller number in factory
/// @param from address from which collAmount of collToken will be pulled
/// @param collAmount amount of collateral that the user is providing at first
/// @param nBands number of bands the created position will have
/// @param exData exchange data for swapping (srcAmount will be amount of debt token generated and sold)
/// @param gasUsed info for automated strategy gas reimbursement
struct Params {
address controllerAddress;
uint256 controllerId;
address from;
uint256 collAmount;
uint256 nBands;
DFSExchangeData.ExchangeData exData;
uint32 gasUsed;
}