<NA>
<NA>
function lockAllTransfers (
    bool _locked
  ) external onlyOwner {
    allTransfersLocked = _locked;
  }
/**
 This function allows the owner to lock the transfer of all token IDs. This
 is designed to prevent whitelisted presale users from using the secondary
 market to undercut the auction before the sale has ended.
 
 @param _locked The status of the lock; true to lock, false to unlock.
 */