| `BASH_SHELLCHECK_DISABLED` | Set to `true` to disable ShellCheck | _none_ (enabled) |
| `BASH_SHELLCHECK_IMAGE` | The Docker image used to run [ShellCheck](https://github.com/koalaman/shellcheck) | `koalaman/shellcheck-alpine:stable` |
| `BASH_SHELLCHECK_IMAGE` | The Docker image used to run [ShellCheck](https://github.com/koalaman/shellcheck) | `registry.hub.docker.com/koalaman/shellcheck-alpine:stable` |
| `BASH_BATS_LIBRARIES` | Coma separated list of Bats [libraries and add-ons](https://bats-core.readthedocs.io/en/stable/writing-tests.html#libraries-and-add-ons)(formatted as `lib_name_1@archive_url_1 lib_name_2@archive_url_2 ...`) | _none_ |