async fn flush_cache(&self) {
        if let Some(cache) = &self.cache {
            cache.flush().await;
        }
    }
/// Flush the caching of objects (if present)
Flush the caching of objects (if present)
Flush the caching of objects ( if present )
async fn flush_cache(&self) {
        if let Some(cache) = &self.cache {
            cache.flush().await;
        }
    }
async fn flush_cache ( & self ) { if let Some ( cache ) = & self . cache { cache . flush ( ) . await ; } }
Flush the caching of objects (if present)
Flush the caching of objects ( if present )
&self
&self