/**
  @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`.
*/
struct SNOW721PricingParams {
  SNOW721TierParams[] tiers;
  uint256 currency;
  uint256 decimals;
  SNOWPrices prices;
}

/**
  @member The information stored at the index.
  @member The index.
*/
struct BitmapWord {
  uint256 currentWord;
  uint256 currentDepth;
}

/**
  @member id The tier's ID.
  @member contributionFloor The minimum contribution to qualify for this tier.
  @member lockedUntil The time up to which this tier cannot be removed or paused.
  @member remainingQuantity Remaining number of tokens in this tier. Together with idCeiling this enables for consecutive, increasing token ids to be issued to contributors.
  @member initialQuantity The initial `remainingAllowance` value when the tier was set.
  @member votingUnits The amount of voting significance to give this tier compared to others.
  @member reservedRate The number of minted tokens needed in the tier to allow for minting another reserved token.
  @member reservedRateBeneficiary The beneificary of the reserved tokens for this tier.
  @member encodedIPFSUri The URI to use for each token within the tier.
  @member allowManualMint A flag indicating if the contract's owner can mint from this tier on demand.
*/
struct SNOW721Tier {
  uint256 id;
  uint256 contributionFloor;
  uint256 lockedUntil;
  uint256 remainingQuantity;
  uint256 initialQuantity;
  uint256 votingUnits;
  uint256 reservedRate;
  address reservedTokenBeneficiary;
  bytes32 encodedIPFSUri;
  bool allowManualMint;
}

/**
  @member contributionFloor The minimum contribution to qualify for this tier.
  @member lockedUntil The time up to which this tier cannot be removed or paused.
  @member initialQuantity The initial `remainingAllowance` value when the tier was set.
  @member votingUnits The amount of voting significance to give this tier compared to others.
  @memver reservedRate The number of minted tokens needed in the tier to allow for minting another reserved token.
  @member reservedRateBeneficiary The beneificary of the reserved tokens for this tier.
  @member encodedIPFSUri The URI to use for each token within the tier.
  @member allowManualMint A flag indicating if the contract's owner can mint from this tier on demand.
  @member shouldUseBeneficiaryAsDefault A flag indicating if the `reservedTokenBeneficiary` should be stored as the default beneficiary for all tiers.
*/
struct SNOW721TierParams {
  uint256 contributionFloor;
  uint256 lockedUntil;
  uint256 initialQuantity;
  uint256 votingUnits;
  uint256 reservedRate;
  address reservedTokenBeneficiary;
  bytes32 encodedIPFSUri;
  bool allowManualMint;
  bool shouldUseBeneficiaryAsDefault;
}