.EnvBuilder!: ClassType
.EnvBuilder!.
    __call__: (
        system_site_packages := Bool,
        clear := Bool,
        symlinks := Bool,
        upgrade := Bool,
        with_pip := Bool,
        prompt := Str,
        upgrade_deps := Bool,
    ) -> .EnvBuilder!
    create!: (self: .EnvBuilder!, env_dir: PathLike) => NoneType

.create!: (
    env_dir: PathLike,
    system_site_packages := Bool,
    clear := Bool,
    symlinks := Bool,
    upgrade := Bool,
    with_pip := Bool,
    prompt := Str,
    upgrade_deps := Bool
) => NoneType