```\nfunction \_cacheFundraisingParams(\n    address       \_owner,\n    string        \_id,\n    ERC20         \_collateralToken,\n    MiniMeToken   \_bondedToken,\n    uint64        \_period,\n    uint256       \_exchangeRate,\n    uint64        \_openDate,\n    uint256       \_reserveRatio,\n    uint256       \_batchBlocks,\n    uint256       \_slippage\n)\n    internal\n    returns (FundraisingParams fundraisingParams)\n```\n