/** @member tiers The tiers to set. @member currency The currency that the tier contribution floors are denoted in. @member decimals The number of decimals included in the tier contribution floor fixed point numbers. @member prices A contract that exposes price feeds that can be used to resolved the value of a contributions that are sent in different currencies. Set to the zero address if payments must be made in `currency`.
*/structSNOW721PricingParams { SNOW721TierParams[] tiers;uint256 currency;uint256 decimals; SNOWPrices prices;}