pub trait ClientRequestIdOption<'a> {
// Required method
fn client_request_id(&self) -> Option<&'a str>;
// Provided method
fn add_header(&self, builder: Builder) -> Builder { ... }
}
pub trait ClientRequestIdOption<'a> {
// Required method
fn client_request_id(&self) -> Option<&'a str>;
// Provided method
fn add_header(&self, builder: Builder) -> Builder { ... }
}