pub trait Credentials: Send + Sync {
// Required method
fn create_token(&self) -> YdbResult<TokenInfo>;
// Provided method
fn debug_string(&self) -> String { ... }
}pub trait Credentials: Send + Sync {
// Required method
fn create_token(&self) -> YdbResult<TokenInfo>;
// Provided method
fn debug_string(&self) -> String { ... }
}