validStorageFields :: FrozenSet String
validStorageFields =
  ConstantUtils.mkSet $ map Types.storageFieldToRaw [minBound..] ++
                        [sfNode, sfType]
validStorageFields :: FrozenSet String
validStorageFields =
  ConstantUtils.mkSet $ map Types.storageFieldToRaw [minBound..] ++
                        [sfNode, sfType]
validStorageFields =
  ConstantUtils.mkSet $ map Types.storageFieldToRaw [minBound..] ++
                        [sfNode, sfType]