Type Alias ExportMetadataCallback 

pub type ExportMetadataCallback = Arc<dyn Fn() -> Pin<Box<dyn Future<Output = Result<Vec<SerializedLayout>>> + Send>> + Send + Sync>;

Type alias for async export metadata callback. Returns a boxed future that resolves to Vec<SerializedLayout>.

Aliased Type

pub struct ExportMetadataCallback { /* private fields */ }