pub trait CoreCallbacks {
// Provided methods
fn on_event(&mut self, _event: CoreEvent) { ... }
fn on_download_progress(&mut self, _progress: DownloadProgress) { ... }
}pub trait CoreCallbacks {
// Provided methods
fn on_event(&mut self, _event: CoreEvent) { ... }
fn on_download_progress(&mut self, _progress: DownloadProgress) { ... }
}