// SPDX-License-Identifier: MIT pragma solidity ^0.8.15; interface ITieredSalesInternal { struct Tier { uint256 start; uint256 end; address currency; uint256 price; uint256 maxPerWallet; bytes32 merkleRoot; uint256 reserved; uint256 maxAllocation; } event TierSale(uint256 indexed tierId, address indexed operator, address indexed minter, uint256 count); }