Can we have `if impl(cabal <3.10)` project conditionals?

With the behaviour of packages in imports changing between `cabal-3.8.*` and `cabal.3.10.*` (see #8795), how can I work around this?

We have conditionals in project files but I don't see an `if impl(cabal <3.10)` in the docs.

> Conditions in cabal may case on operating system, architecture, and compiler
> SOURCE: [Conditionals and imports](https://cabal.readthedocs.io/en/stable/cabal-project.html#conditionals-and-imports)