pub trait BinImpl: BinImplExt + ElementImpl {
// Provided methods
fn add_element(&self, element: &Element) -> Result<(), LoggableError> { ... }
fn remove_element(&self, element: &Element) -> Result<(), LoggableError> { ... }
fn do_latency(&self) -> Result<(), LoggableError> { ... }
fn handle_message(&self, message: Message) { ... }
}