### Changed- `KeyCommentPair` from [`derivepassphrase._types`][], and `KeyPair` and`MasterKeys` from [`derivepassphrase.exporter.storeroom`][], have beenconverted to [`NamedTuple`s][typing.NamedTuple] and renamed to[`SSHKeyCommentPair`][derivepassphrase._types.SSHKeyCommentPair],[`StoreroomKeyPair`][derivepassphrase._types.StoreroomKeyPair] and[`StoreroomMasterKeys`][derivepassphrase._types.StoreroomMasterKeys],respectively, in the [`derivepassphrase._types`][] module.This is a **breaking API change**.