Type Alias BackgroundWork 

pub type BackgroundWork = Pin<Box<dyn Future<Output = Result<(), HandlerError>> + Send>>;

Available on crate feature rest only.

Background Work handed to the Adapter: runs after the response is sent; an Err is logged. Send, so Adapters can run it on any thread (ADR 0012).

Aliased Type

#[repr(transparent)]
pub struct BackgroundWork { /* private fields */ }