pub trait TraceHost: Send + Sync {
// Provided method
fn emit_trace_event<'life0, 'async_trait>(
&'life0 self,
_context: TraceContext,
_event: TraceEvent,
) -> Pin<Box<dyn Future<Output = Result<(), PluginError>> + Send + 'async_trait>>
where Self: 'async_trait,
'life0: 'async_trait { ... }
}