pub trait DbHealthChecker {
// Required methods
fn get_env(&self) -> &Env;
fn count_entries(&self) -> Result<Vec<(&'static str, u64)>>;
// Provided method
fn get_health(&self) -> Result<DbHealth> { ... }
}pub trait DbHealthChecker {
// Required methods
fn get_env(&self) -> &Env;
fn count_entries(&self) -> Result<Vec<(&'static str, u64)>>;
// Provided method
fn get_health(&self) -> Result<DbHealth> { ... }
}