Type Alias AtlasInitHandler 

pub type AtlasInitHandler = fn(atlases_root: PathBuf, name: String, domain: String, scope_note: Option<String>, frontiers: Vec<PathBuf>, json: bool) -> Pin<Box<dyn Future<Output = ()> + Send>>;

v0.78: pluggable handler for vela atlas init. The binary in vela-cli/src/main.rs installs a real handler that calls into the vela-atlas crate.